1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 2006, 2007, 2008 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
28 #include "blockinput.h"
40 #include "character.h"
44 #include "dispextern.h"
46 #include "termhooks.h"
54 #include "intervals.h"
63 #ifdef USE_FONT_BACKEND
65 #endif /* USE_FONT_BACKEND */
70 static int max_fringe_bmp
= 0;
71 static HBITMAP
*fringe_bmp
= 0;
73 /* Non-nil means Emacs uses toolkit scroll bars. */
75 Lisp_Object Vx_toolkit_scroll_bars
;
77 /* Temporary variables for w32_read_socket. */
79 static int last_mousemove_x
= 0;
80 static int last_mousemove_y
= 0;
82 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
83 #ifndef GET_WHEEL_DELTA_WPARAM
84 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
87 /* Non-zero means that a HELP_EVENT has been generated since Emacs
90 static int any_help_event_p
;
92 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
93 static Lisp_Object last_window
;
95 /* Non-zero means make use of UNDERLINE_POSITION font properties.
96 (Not yet supported, see TODO in x_draw_glyph_string.) */
97 int x_use_underline_position_properties
;
99 /* Non-zero means to draw the underline at the same place as the descent line. */
101 int x_underline_at_descent_line
;
103 extern unsigned int msh_mousewheel
;
105 extern void free_frame_menubar ();
107 extern int w32_codepage_for_font (char *fontname
);
108 extern Cursor
w32_load_cursor (LPCTSTR name
);
110 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
111 unsigned char *text
, int dim
);
112 extern Lisp_Object Vwindow_system
;
114 #define x_any_window_to_frame x_window_to_frame
115 #define x_top_window_to_frame x_window_to_frame
118 /* This is display since w32 does not support multiple ones. */
119 struct w32_display_info one_w32_display_info
;
120 struct w32_display_info
*x_display_list
;
122 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
123 one for each element of w32_display_list and in the same order.
124 NAME is the name of the frame.
125 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
126 Lisp_Object w32_display_name_list
;
130 /* Pre Windows 2000, this was not available, but define it here so
131 that Emacs compiled on such a platform will run on newer versions. */
133 typedef struct tagWCRANGE
139 typedef struct tagGLYPHSET
143 DWORD cGlyphsSupported
;
150 /* Dynamic linking to GetFontUnicodeRanges (not available on 95, 98, ME). */
151 DWORD (PASCAL
*pfnGetFontUnicodeRanges
) (HDC device
, GLYPHSET
*ranges
);
153 /* Frame being updated by update_frame. This is declared in term.c.
154 This is set by update_begin and looked at by all the
155 w32 functions. It is zero while not inside an update.
156 In that case, the w32 functions assume that `SELECTED_FRAME ()'
157 is the frame to apply to. */
158 extern struct frame
*updating_frame
;
160 /* This is a frame waiting to be autoraised, within w32_read_socket. */
161 struct frame
*pending_autoraise_frame
;
163 /* The handle of the frame that currently owns the system caret. */
164 HWND w32_system_caret_hwnd
;
165 int w32_system_caret_height
;
166 int w32_system_caret_x
;
167 int w32_system_caret_y
;
168 int w32_use_visible_system_caret
;
170 /* Flag to enable Unicode output in case users wish to use programs
171 like Twinbridge on '95 rather than installed system level support
172 for Far East languages. */
173 int w32_enable_unicode_output
;
175 /* Flag to enable Cleartype hack for font metrics. */
176 static int cleartype_active
;
178 DWORD dwWindowsThreadId
= 0;
179 HANDLE hWindowsThread
= NULL
;
180 DWORD dwMainThreadId
= 0;
181 HANDLE hMainThread
= NULL
;
183 int vertical_scroll_bar_min_handle
;
184 int vertical_scroll_bar_top_border
;
185 int vertical_scroll_bar_bottom_border
;
187 int last_scroll_bar_drag_pos
;
189 /* Mouse movement. */
191 /* Where the mouse was last time we reported a mouse event. */
193 static RECT last_mouse_glyph
;
194 static FRAME_PTR last_mouse_glyph_frame
;
195 static Lisp_Object last_mouse_press_frame
;
197 int w32_num_mouse_buttons
;
199 Lisp_Object Vw32_swap_mouse_buttons
;
201 /* Control whether x_raise_frame also sets input focus. */
202 Lisp_Object Vw32_grab_focus_on_raise
;
204 /* Control whether Caps Lock affects non-ascii characters. */
205 Lisp_Object Vw32_capslock_is_shiftlock
;
207 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
208 Lisp_Object Vw32_recognize_altgr
;
210 /* The scroll bar in which the last motion event occurred.
212 If the last motion event occurred in a scroll bar, we set this
213 so w32_mouse_position can know whether to report a scroll bar motion or
216 If the last motion event didn't occur in a scroll bar, we set this
217 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
218 static Lisp_Object last_mouse_scroll_bar
;
219 static int last_mouse_scroll_bar_pos
;
221 /* This is a hack. We would really prefer that w32_mouse_position would
222 return the time associated with the position it returns, but there
223 doesn't seem to be any way to wrest the time-stamp from the server
224 along with the position query. So, we just keep track of the time
225 of the last movement we received, and return that in hopes that
226 it's somewhat accurate. */
228 static Time last_mouse_movement_time
;
230 /* Incremented by w32_read_socket whenever it really tries to read
234 static int volatile input_signal_count
;
236 static int input_signal_count
;
239 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
245 /* A mask of extra modifier bits to put into every keyboard char. */
247 extern EMACS_INT extra_keyboard_modifiers
;
249 static void x_update_window_end
P_ ((struct window
*, int, int));
250 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
251 struct input_event
*));
252 static void w32_define_cursor
P_ ((Window
, Cursor
));
254 void x_lower_frame
P_ ((struct frame
*));
255 void x_scroll_bar_clear
P_ ((struct frame
*));
256 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
257 void x_raise_frame
P_ ((struct frame
*));
258 void x_set_window_size
P_ ((struct frame
*, int, int, int));
259 void x_wm_set_window_state
P_ ((struct frame
*, int));
260 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
261 static void w32_initialize
P_ ((void));
262 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
263 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
264 static void x_update_end
P_ ((struct frame
*));
265 static void w32_frame_up_to_date
P_ ((struct frame
*));
266 static void w32_set_terminal_modes
P_ ((struct terminal
*));
267 static void w32_reset_terminal_modes
P_ ((struct terminal
*));
268 static void x_clear_frame
P_ ((struct frame
*));
269 static void frame_highlight
P_ ((struct frame
*));
270 static void frame_unhighlight
P_ ((struct frame
*));
271 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
273 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
274 struct frame
*, struct input_event
*));
275 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
276 W32Msg
*, struct input_event
*));
277 static void w32_frame_rehighlight
P_ ((struct frame
*));
278 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
279 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
280 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
281 enum text_cursor_kinds
));
282 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
283 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
284 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
285 static void my_set_focus
P_ ((struct frame
*, HWND
));
286 static void my_set_foreground_window
P_ ((HWND
));
287 static void my_destroy_window
P_ ((struct frame
*, HWND
));
289 static Lisp_Object Qvendor_specific_keysyms
;
292 /***********************************************************************
294 ***********************************************************************/
298 /* This is a function useful for recording debugging information about
299 the sequence of occurrences in this file. */
307 struct record event_record
[100];
309 int event_record_index
;
311 record_event (locus
, type
)
315 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
316 event_record_index
= 0;
318 event_record
[event_record_index
].locus
= locus
;
319 event_record
[event_record_index
].type
= type
;
320 event_record_index
++;
327 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
330 if (mask
& GCForeground
)
331 gc
->foreground
= xgcv
->foreground
;
332 if (mask
& GCBackground
)
333 gc
->background
= xgcv
->background
;
335 gc
->font
= xgcv
->font
;
338 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
341 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
342 bzero (gc
, sizeof (XGCValues
));
344 XChangeGC (ignore
, gc
, mask
, xgcv
);
350 XGetGCValues (void* ignore
, XGCValues
*gc
,
351 unsigned long mask
, XGCValues
*xgcv
)
353 XChangeGC (ignore
, xgcv
, mask
, gc
);
357 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
361 HRGN clip_region
= CreateRectRgnIndirect (rect
);
362 SelectClipRgn (hdc
, clip_region
);
363 DeleteObject (clip_region
);
366 SelectClipRgn (hdc
, NULL
);
370 /* Draw a hollow rectangle at the specified position. */
372 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
373 int width
, int height
)
378 hb
= CreateSolidBrush (gc
->background
);
379 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
380 oldhb
= SelectObject (hdc
, hb
);
381 oldhp
= SelectObject (hdc
, hp
);
383 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
385 SelectObject (hdc
, oldhb
);
386 SelectObject (hdc
, oldhp
);
391 /* Draw a filled rectangle at the specified position. */
393 w32_fill_rect (f
, hdc
, pix
, lprect
)
401 hb
= CreateSolidBrush (pix
);
402 FillRect (hdc
, lprect
, hb
);
411 HDC hdc
= get_frame_dc (f
);
413 /* Under certain conditions, this can be called at startup with
414 a console frame pointer before the GUI frame is created. An HDC
415 of 0 indicates this. */
418 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
419 w32_clear_rect (f
, hdc
, &rect
);
422 release_frame_dc (f
, hdc
);
426 /***********************************************************************
427 Starting and ending an update
428 ***********************************************************************/
430 /* Start an update of frame F. This function is installed as a hook
431 for update_begin, i.e. it is called when update_begin is called.
432 This function is called prior to calls to x_update_window_begin for
433 each window being updated. */
439 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
441 if (! FRAME_W32_P (f
))
444 /* Regenerate display palette before drawing if list of requested
445 colors has changed. */
446 if (display_info
->regen_palette
)
448 w32_regenerate_palette (f
);
449 display_info
->regen_palette
= FALSE
;
454 /* Start update of window W. Set the global variable updated_window
455 to the window being updated and set output_cursor to the cursor
459 x_update_window_begin (w
)
462 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
463 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
465 /* Hide the system caret during an update. */
466 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
468 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
472 set_output_cursor (&w
->cursor
);
476 if (f
== display_info
->mouse_face_mouse_frame
)
478 /* Don't do highlighting for mouse motion during the update. */
479 display_info
->mouse_face_defer
= 1;
481 /* If F needs to be redrawn, simply forget about any prior mouse
483 if (FRAME_GARBAGED_P (f
))
484 display_info
->mouse_face_window
= Qnil
;
486 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
487 their mouse_face_p flag set, which means that they are always
488 unequal to rows in a desired matrix which never have that
489 flag set. So, rows containing mouse-face glyphs are never
490 scrolled, and we don't have to switch the mouse highlight off
491 here to prevent it from being scrolled. */
493 /* Can we tell that this update does not affect the window
494 where the mouse highlight is? If so, no need to turn off.
495 Likewise, don't do anything if the frame is garbaged;
496 in that case, the frame's current matrix that we would use
497 is all wrong, and we will redisplay that line anyway. */
498 if (!NILP (display_info
->mouse_face_window
)
499 && w
== XWINDOW (display_info
->mouse_face_window
))
503 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
504 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
507 if (i
< w
->desired_matrix
->nrows
)
508 clear_mouse_face (display_info
);
516 /* Draw a vertical window border from (x,y0) to (x,y1) */
519 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
523 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
533 hdc
= get_frame_dc (f
);
534 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
536 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
538 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
540 release_frame_dc (f
, hdc
);
544 /* End update of window W (which is equal to updated_window).
546 Draw vertical borders between horizontally adjacent windows, and
547 display W's cursor if CURSOR_ON_P is non-zero.
549 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
550 glyphs in mouse-face were overwritten. In that case we have to
551 make sure that the mouse-highlight is properly redrawn.
553 W may be a menu bar pseudo-window in case we don't have X toolkit
554 support. Such windows don't have a cursor, so don't display it
558 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
560 int cursor_on_p
, mouse_face_overwritten_p
;
562 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
564 if (!w
->pseudo_window_p
)
569 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
571 output_cursor
.x
, output_cursor
.y
);
573 if (draw_window_fringes (w
, 1))
574 x_draw_vertical_border (w
);
579 /* If a row with mouse-face was overwritten, arrange for
580 XTframe_up_to_date to redisplay the mouse highlight. */
581 if (mouse_face_overwritten_p
)
583 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
584 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
585 dpyinfo
->mouse_face_window
= Qnil
;
588 /* Unhide the caret. This won't actually show the cursor, unless it
589 was visible before the corresponding call to HideCaret in
590 x_update_window_begin. */
591 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
593 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
596 updated_window
= NULL
;
600 /* End update of frame F. This function is installed as a hook in
607 if (! FRAME_W32_P (f
))
610 /* Mouse highlight may be displayed again. */
611 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
615 /* This function is called from various places in xdisp.c whenever a
616 complete update has been performed. The global variable
617 updated_window is not available here. */
620 w32_frame_up_to_date (f
)
625 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
627 if (dpyinfo
->mouse_face_deferred_gc
628 || f
== dpyinfo
->mouse_face_mouse_frame
)
631 if (dpyinfo
->mouse_face_mouse_frame
)
632 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
633 dpyinfo
->mouse_face_mouse_x
,
634 dpyinfo
->mouse_face_mouse_y
);
635 dpyinfo
->mouse_face_deferred_gc
= 0;
642 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
643 arrow bitmaps, or clear the fringes if no bitmaps are required
644 before DESIRED_ROW is made current. The window being updated is
645 found in updated_window. This function is called from
646 update_window_line only if it is known that there are differences
647 between bitmaps to be drawn between current row and DESIRED_ROW. */
650 x_after_update_window_line (desired_row
)
651 struct glyph_row
*desired_row
;
653 struct window
*w
= updated_window
;
659 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
660 desired_row
->redraw_fringe_bitmaps_p
= 1;
662 /* When a window has disappeared, make sure that no rest of
663 full-width rows stays visible in the internal border. Could
664 check here if updated_window is the leftmost/rightmost window,
665 but I guess it's not worth doing since vertically split windows
666 are almost never used, internal border is rarely set, and the
667 overhead is very small. */
668 if (windows_or_buffers_changed
669 && desired_row
->full_width_p
670 && (f
= XFRAME (w
->frame
),
671 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
673 && (height
= desired_row
->visible_height
,
676 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
678 /* Internal border is drawn below the tool bar. */
679 if (WINDOWP (f
->tool_bar_window
)
680 && w
== XWINDOW (f
->tool_bar_window
))
685 HDC hdc
= get_frame_dc (f
);
686 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
687 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
689 release_frame_dc (f
, hdc
);
696 /* Draw the bitmap WHICH in one of the left or right fringes of
697 window W. ROW is the glyph row for which to display the bitmap; it
698 determines the vertical position at which the bitmap has to be
702 w32_draw_fringe_bitmap (w
, row
, p
)
704 struct glyph_row
*row
;
705 struct draw_fringe_bitmap_params
*p
;
707 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
709 struct face
*face
= p
->face
;
712 hdc
= get_frame_dc (f
);
716 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
718 /* If the fringe is adjacent to the left (right) scroll bar of a
719 leftmost (rightmost, respectively) window, then extend its
720 background to the gap between the fringe and the bar. */
721 if ((WINDOW_LEFTMOST_P (w
)
722 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
723 || (WINDOW_RIGHTMOST_P (w
)
724 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
726 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
730 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
731 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
732 * FRAME_COLUMN_WIDTH (f
));
736 /* Bitmap fills the fringe. */
737 if (left
+ width
== p
->x
)
738 bx
= left
+ sb_width
;
739 else if (p
->x
+ p
->wd
== left
)
743 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
745 nx
= width
- sb_width
;
746 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
748 ny
= row
->visible_height
;
753 if (left
+ width
== bx
)
755 bx
= left
+ sb_width
;
756 nx
+= width
- sb_width
;
758 else if (bx
+ nx
== left
)
759 nx
+= width
- sb_width
;
764 if (bx
>= 0 && nx
> 0)
765 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
768 /* Must clip because of partially visible lines. */
769 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
772 /* Adjust position of "bottom aligned" bitmap on partially
775 int oldVH
= row
->visible_height
;
776 row
->visible_height
= p
->h
;
777 row
->y
-= rowY
- p
->y
;
778 w32_clip_to_row (w
, row
, -1, hdc
);
780 row
->visible_height
= oldVH
;
783 w32_clip_to_row (w
, row
, -1, hdc
);
785 if (p
->which
&& p
->which
< max_fringe_bmp
)
787 HBITMAP pixmap
= fringe_bmp
[p
->which
];
791 compat_hdc
= CreateCompatibleDC (hdc
);
795 horig_obj
= SelectObject (compat_hdc
, pixmap
);
797 /* Paint overlays transparently. */
800 HBRUSH h_brush
, h_orig_brush
;
802 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
803 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
804 h_brush
= CreateSolidBrush (face
->foreground
);
805 h_orig_brush
= SelectObject (hdc
, h_brush
);
807 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
808 compat_hdc
, 0, p
->dh
,
810 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
811 compat_hdc
, 0, p
->dh
,
813 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
814 compat_hdc
, 0, p
->dh
,
817 SelectObject (hdc
, h_orig_brush
);
818 DeleteObject (h_brush
);
822 SetTextColor (hdc
, face
->background
);
823 SetBkColor (hdc
, (p
->cursor_p
824 ? f
->output_data
.w32
->cursor_pixel
825 : face
->foreground
));
827 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
828 compat_hdc
, 0, p
->dh
,
832 SelectObject (compat_hdc
, horig_obj
);
833 DeleteDC (compat_hdc
);
837 w32_set_clip_rectangle (hdc
, NULL
);
839 release_frame_dc (f
, hdc
);
843 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
845 unsigned short *bits
;
848 if (which
>= max_fringe_bmp
)
850 int i
= max_fringe_bmp
;
851 max_fringe_bmp
= which
+ 20;
852 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
853 while (i
< max_fringe_bmp
)
857 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
861 w32_destroy_fringe_bitmap (which
)
864 if (which
>= max_fringe_bmp
)
867 if (fringe_bmp
[which
])
868 DeleteObject (fringe_bmp
[which
]);
869 fringe_bmp
[which
] = 0;
874 /* This is called when starting Emacs and when restarting after
875 suspend. When starting Emacs, no window is mapped. And nothing
876 must be done to Emacs's own window if it is suspended (though that
880 w32_set_terminal_modes (struct terminal
*term
)
884 /* This is called when exiting or suspending Emacs. Exiting will make
885 the W32 windows go away, and suspending requires no action. */
888 w32_reset_terminal_modes (struct terminal
*term
)
894 /***********************************************************************
896 ***********************************************************************/
898 /* Function prototypes of this page. */
900 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
901 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*,
902 struct charset
*, int *));
905 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
906 If CHAR2B is not contained in FONT, the font's default character
907 metric is returned. */
910 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
916 glyph_metric
* bdf_metric
;
920 buf
[0] = (char)(*char2b
);
923 buf
[0] = XCHAR2B_BYTE1 (char2b
);
924 buf
[1] = XCHAR2B_BYTE2 (char2b
);
927 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
931 pcm
->width
= bdf_metric
->dwidth
;
932 pcm
->lbearing
= bdf_metric
->bbox
;
933 pcm
->rbearing
= bdf_metric
->dwidth
934 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
935 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
936 pcm
->descent
= -bdf_metric
->bboy
;
945 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
948 enum w32_char_font_type font_type
;
951 HDC hdc
= GetDC (NULL
);
955 xassert (font
&& char2b
);
956 xassert (font
->hfont
);
957 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
959 old_font
= SelectObject (hdc
, font
->hfont
);
961 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
965 if (font_type
== UNICODE_FONT
)
966 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
968 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
973 /* Disabled until we can find a way to get the right results
974 on all versions of Windows. */
976 /* Don't trust the ABC widths. For synthesized fonts they are
977 wrong, and so is the result of GetCharWidth()! */
979 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
981 if (cleartype_active
)
983 /* Cleartype antialiasing causes characters to overhang
984 by a pixel on each side compared with what GetCharABCWidths
986 char_widths
.abcA
-= 1;
987 char_widths
.abcC
-= 1;
988 char_widths
.abcB
+= 2;
991 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
993 /* As far as I can tell, this is the best way to determine what
994 ExtTextOut will do with the broken font. */
995 if (pcm
->width
!= real_width
)
996 pcm
->width
= (pcm
->width
+ real_width
) / 2;
998 pcm
->lbearing
= char_widths
.abcA
;
999 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
1000 pcm
->ascent
= FONT_BASE (font
);
1001 pcm
->descent
= FONT_DESCENT (font
);
1007 /* Either font is not a True-type font, or GetCharABCWidthsW
1008 failed (it is not supported on Windows 9x for instance), so we
1009 can't determine the full info we would like. All is not lost
1010 though - we can call GetTextExtentPoint32 to get rbearing and
1011 deduce width based on the font's per-string overhang. lbearing
1012 is assumed to be zero. */
1014 /* TODO: Some Thai characters (and other composites if Windows
1015 supports them) do have lbearing, and report their total width
1016 as zero. Need some way of handling them when
1017 GetCharABCWidthsW fails. */
1020 if (font_type
== UNICODE_FONT
)
1021 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
1023 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
1028 pcm
->rbearing
= sz
.cx
+ font
->tm
.tmOverhang
;
1030 pcm
->ascent
= FONT_BASE (font
);
1031 pcm
->descent
= FONT_DESCENT (font
);
1036 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
1041 SelectObject (hdc
, old_font
);
1042 ReleaseDC (NULL
, hdc
);
1049 w32_per_char_metric (font
, char2b
, font_type
)
1052 int /* enum w32_char_font_type */ font_type
;
1054 /* The result metric information. */
1058 xassert (font
&& char2b
);
1060 /* TODO: This function is currently called through the RIF, and in
1061 some cases font_type is UNKNOWN_FONT. We currently allow the
1062 cached metrics to be used, which seems to work, but in cases
1063 where font_type is UNKNOWN_FONT, we probably haven't encoded
1064 char2b appropriately. All callers need checking to see what they
1065 are passing. This is most likely to affect variable width fonts
1066 outside the Latin-1 range, particularly in languages like Thai
1067 that rely on rbearing and lbearing to provide composition. I
1068 don't think that is working currently anyway, but we don't seem
1069 to have anyone testing such languages on Windows. */
1071 /* Handle the common cases quickly. */
1072 if (!font
->bdf
&& font
->per_char
== NULL
)
1073 /* TODO: determine whether char2b exists in font? */
1074 return &font
->max_bounds
;
1075 else if (!font
->bdf
&& *char2b
< 128)
1076 return &font
->per_char
[*char2b
];
1078 xassert (font_type
!= UNKNOWN_FONT
);
1080 pcm
= &font
->scratch
;
1082 if (font_type
== BDF_1D_FONT
)
1083 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1084 else if (font_type
== BDF_2D_FONT
)
1085 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1087 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1096 w32_cache_char_metrics (font
)
1099 wchar_t char2b
= L
'x';
1101 /* Cache char metrics for the common cases. */
1104 /* TODO: determine whether font is fixed-pitch. */
1105 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1107 /* Use the font width and height as max bounds, as not all BDF
1108 fonts contain the letter 'x'. */
1109 font
->max_bounds
.width
= FONT_WIDTH (font
);
1110 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1111 font
->max_bounds
.rbearing
= FONT_WIDTH (font
) - font
->bdf
->urx
;
1112 font
->max_bounds
.ascent
= FONT_BASE (font
);
1113 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1118 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1119 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1120 though they contain characters of different widths. */
1121 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1123 /* Font is not fixed pitch, so cache per_char info for the
1124 ASCII characters. It would be much more work, and probably
1125 not worth it, to cache other chars, since we may change
1126 between using Unicode and ANSI text drawing functions at
1130 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1131 for (i
= 0; i
< 128; i
++)
1134 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1135 &font
->per_char
[i
]);
1139 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1145 /* Determine if a font is double byte. */
1147 w32_font_is_double_byte (XFontStruct
*font
)
1149 return font
->double_byte_p
;
1154 w32_use_unicode_for_codepage (codepage
)
1157 /* If the current codepage is supported, use Unicode for output. */
1158 return (w32_enable_unicode_output
1159 && codepage
!= CP_8BIT
1160 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1163 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1164 the two-byte form of C. Encoding is returned in *CHAR2B. */
1166 static int /* enum w32_char_font_type */
1167 w32_encode_char (c
, char2b
, font_info
, charset
, two_byte_p
)
1170 struct font_info
*font_info
;
1171 struct charset
*charset
;
1176 int internal_two_byte_p
= 0;
1178 XFontStruct
*font
= font_info
->font
;
1180 internal_two_byte_p
= w32_font_is_double_byte (font
);
1181 codepage
= font_info
->codepage
;
1183 /* If font can output unicode, use the original unicode character. */
1184 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1189 internal_two_byte_p
= 1;
1192 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1193 This may be either a program in a special encoder language or a
1195 else if (font_info
->font_encoder
)
1197 /* It's a program. */
1198 struct ccl_program
*ccl
= font_info
->font_encoder
;
1200 if (CHARSET_DIMENSION (charset
) == 1)
1202 ccl
->reg
[0] = CHARSET_ID (charset
);
1203 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1208 ccl
->reg
[0] = CHARSET_ID (charset
);
1209 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1210 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1213 ccl_driver (ccl
, NULL
, NULL
, 0, 0, Qnil
);
1215 /* We assume that MSBs are appropriately set/reset by CCL
1217 if (!internal_two_byte_p
) /* 1-byte font */
1218 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1220 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1222 else if (font_info
->encoding_type
)
1224 /* Fixed encoding scheme. See fontset.h for the meaning of the
1225 encoding numbers. */
1226 unsigned char enc
= font_info
->encoding_type
;
1228 if ((enc
== 1 || enc
== 2)
1229 && CHARSET_DIMENSION (charset
) == 2)
1230 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1232 if (enc
== 1 || enc
== 3 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1233 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1236 int code
= (int) (*char2b
);
1239 STORE_XCHAR2B (char2b
, (code
>> 8), (code
& 0xFF));
1244 *two_byte_p
= internal_two_byte_p
;
1247 return UNKNOWN_FONT
;
1248 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1253 return UNICODE_FONT
;
1259 /* Return a char-table whose elements are t if the font FONT_INFO
1260 contains a glyph for the corresponding character, and nil if not.
1262 Fixme: For the moment, this function works only for fonts whose
1263 glyph encoding is the same as Unicode (e.g. ISO10646-1 fonts). */
1266 x_get_font_repertory (f
, font_info
)
1268 struct font_info
*font_info
;
1270 XFontStruct
*font
= (XFontStruct
*) font_info
->font
;
1272 int min_byte1
, max_byte1
, min_byte2
, max_byte2
;
1274 struct charset
*charset
= CHARSET_FROM_ID (font_info
->charset
);
1275 int offset
= CHARSET_OFFSET (charset
);
1277 table
= Fmake_char_table (Qnil
, Qnil
);
1279 if (!font
->bdf
&& pfnGetFontUnicodeRanges
)
1282 DWORD glyphset_size
;
1283 HDC display
= get_frame_dc (f
);
1287 prev_font
= SelectObject (display
, font
->hfont
);
1289 /* First call GetFontUnicodeRanges to find out how big a structure
1291 glyphset_size
= pfnGetFontUnicodeRanges (display
, NULL
);
1294 glyphset
= (GLYPHSET
*) alloca (glyphset_size
);
1295 glyphset
->cbThis
= glyphset_size
;
1297 /* Now call it again to get the ranges. */
1298 glyphset_size
= pfnGetFontUnicodeRanges (display
, glyphset
);
1302 /* Store the ranges in TABLE. */
1303 for (i
= 0; i
< glyphset
->cRanges
; i
++)
1305 int from
= glyphset
->ranges
[i
].wcLow
;
1306 int to
= from
+ glyphset
->ranges
[i
].cGlyphs
- 1;
1307 char_table_set_range (table
, from
, to
, Qt
);
1312 SelectObject (display
, prev_font
);
1313 release_frame_dc (f
, display
);
1315 /* If we got the information we wanted above, then return it. */
1320 #if 0 /* TODO: Convert to work on Windows so BDF and older platforms work. */
1321 /* When GetFontUnicodeRanges is not available or does not work,
1322 work it out manually. */
1323 min_byte1
= font
->min_byte1
;
1324 max_byte1
= font
->max_byte1
;
1325 min_byte2
= font
->min_char_or_byte2
;
1326 max_byte2
= font
->max_char_or_byte2
;
1327 if (min_byte1
== 0 && max_byte1
== 0)
1329 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1332 char_table_set_range (table
, offset
+ min_byte2
,
1333 offset
+ max_byte2
, Qt
);
1335 for (; min_byte2
<= max_byte2
; min_byte2
++)
1337 c
= DECODE_CHAR (charset
, min_byte2
);
1338 CHAR_TABLE_SET (table
, c
, Qt
);
1343 XCharStruct
*pcm
= font
->per_char
;
1347 for (i
= min_byte2
; i
<= max_byte2
; i
++, pcm
++)
1349 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1354 char_table_set_range (table
, offset
+ from
,
1355 offset
+ i
- 1, Qt
);
1357 for (; from
< i
; from
++)
1359 c
= DECODE_CHAR (charset
, from
);
1360 CHAR_TABLE_SET (table
, c
, Qt
);
1371 char_table_set_range (table
, offset
+ from
, offset
+ i
- 1,
1374 for (; from
< i
; from
++)
1376 c
= DECODE_CHAR (charset
, from
);
1377 CHAR_TABLE_SET (table
, c
, Qt
);
1384 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1389 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1390 char_table_set_range
1391 (table
, offset
+ ((i
<< 8) | min_byte2
),
1392 offset
+ ((i
<< 8) | max_byte2
), Qt
);
1394 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1395 for (j
= min_byte2
; j
<= max_byte2
; j
++)
1397 unsiged code
= (i
<< 8) | j
;
1398 c
= DECODE_CHAR (charset
, code
);
1399 CHAR_TABLE_SET (table
, c
, Qt
);
1404 XCharStruct
*pcm
= font
->per_char
;
1407 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1412 for (j
= min_byte2
; j
<= max_byte2
; j
++, pcm
++)
1414 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1419 char_table_set_range
1420 (table
, offset
+ ((i
<< 8) | from
),
1421 offset
+ ((i
<< 8) | (j
- 1)), Qt
);
1424 for (; from
< j
; from
++)
1426 unsigned code
= (i
<< 8) | from
;
1427 c
= ENCODE_CHAR (charset
, code
);
1428 CHAR_TABLE_SET (table
, c
, Qt
);
1440 char_table_set_range
1441 (table
, offset
+ ((i
<< 8) | from
),
1442 offset
+ ((i
<< 8) | (j
- 1)), Qt
);
1445 for (; from
< j
; from
++)
1447 unsigned code
= (i
<< 8) | from
;
1448 c
= DECODE_CHAR (charset
, code
);
1449 CHAR_TABLE_SET (table
, c
, Qt
);
1461 /***********************************************************************
1463 ***********************************************************************/
1466 /* Encapsulate the different ways of displaying text under W32. */
1469 w32_text_out (s
, x
, y
,chars
,nchars
)
1470 struct glyph_string
* s
;
1475 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1477 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1478 x
, y
, (char *) chars
, charset_dim
,
1479 nchars
* charset_dim
, 0);
1480 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1481 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1483 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1484 nchars
* charset_dim
, NULL
);
1488 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1489 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1490 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1492 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1493 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1494 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1495 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1496 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1497 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1498 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1499 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1500 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1501 double, int, COLORREF
));
1502 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1503 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1504 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1505 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1506 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1507 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1509 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1510 int, int, int, int, int, int,
1512 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1513 int, int, int, RECT
*));
1516 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1520 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1525 struct glyph_string
*s
;
1527 if (s
->font
== FRAME_FONT (s
->f
)
1528 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1529 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1531 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1534 /* Cursor on non-default face: must merge. */
1538 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1539 xgcv
.foreground
= s
->face
->background
;
1541 /* If the glyph would be invisible, try a different foreground. */
1542 if (xgcv
.foreground
== xgcv
.background
)
1543 xgcv
.foreground
= s
->face
->foreground
;
1544 if (xgcv
.foreground
== xgcv
.background
)
1545 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1546 if (xgcv
.foreground
== xgcv
.background
)
1547 xgcv
.foreground
= s
->face
->foreground
;
1549 /* Make sure the cursor is distinct from text in this face. */
1550 if (xgcv
.background
== s
->face
->background
1551 && xgcv
.foreground
== s
->face
->foreground
)
1553 xgcv
.background
= s
->face
->foreground
;
1554 xgcv
.foreground
= s
->face
->background
;
1557 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1558 xgcv
.font
= s
->font
;
1559 mask
= GCForeground
| GCBackground
| GCFont
;
1561 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1562 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1565 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1566 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1568 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1573 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1576 x_set_mouse_face_gc (s
)
1577 struct glyph_string
*s
;
1582 /* What face has to be used last for the mouse face? */
1583 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1584 face
= FACE_FROM_ID (s
->f
, face_id
);
1586 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1588 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1589 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1591 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1592 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1593 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1595 /* If font in this face is same as S->font, use it. */
1596 if (s
->font
== s
->face
->font
)
1597 s
->gc
= s
->face
->gc
;
1598 #ifdef USE_FONT_BACKEND
1599 else if (enable_font_backend
)
1600 /* No need of setting a font for s->gc. */
1601 s
->gc
= s
->face
->gc
;
1602 #endif /* USE_FONT_BACKEND */
1605 /* Otherwise construct scratch_cursor_gc with values from FACE
1610 xgcv
.background
= s
->face
->background
;
1611 xgcv
.foreground
= s
->face
->foreground
;
1612 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1613 xgcv
.font
= s
->font
;
1614 mask
= GCForeground
| GCBackground
| GCFont
;
1616 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1617 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1620 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1621 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1623 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1626 xassert (s
->gc
!= 0);
1630 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1631 Faces to use in the mode line have already been computed when the
1632 matrix was built, so there isn't much to do, here. */
1635 x_set_mode_line_face_gc (s
)
1636 struct glyph_string
*s
;
1638 s
->gc
= s
->face
->gc
;
1642 /* Set S->gc of glyph string S for drawing that glyph string. Set
1643 S->stippled_p to a non-zero value if the face of S has a stipple
1647 x_set_glyph_string_gc (s
)
1648 struct glyph_string
*s
;
1650 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1652 if (s
->hl
== DRAW_NORMAL_TEXT
)
1654 s
->gc
= s
->face
->gc
;
1655 s
->stippled_p
= s
->face
->stipple
!= 0;
1657 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1659 x_set_mode_line_face_gc (s
);
1660 s
->stippled_p
= s
->face
->stipple
!= 0;
1662 else if (s
->hl
== DRAW_CURSOR
)
1664 x_set_cursor_gc (s
);
1667 else if (s
->hl
== DRAW_MOUSE_FACE
)
1669 x_set_mouse_face_gc (s
);
1670 s
->stippled_p
= s
->face
->stipple
!= 0;
1672 else if (s
->hl
== DRAW_IMAGE_RAISED
1673 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1675 s
->gc
= s
->face
->gc
;
1676 s
->stippled_p
= s
->face
->stipple
!= 0;
1680 s
->gc
= s
->face
->gc
;
1681 s
->stippled_p
= s
->face
->stipple
!= 0;
1684 /* GC must have been set. */
1685 xassert (s
->gc
!= 0);
1689 /* Set clipping for output of glyph string S. S may be part of a mode
1690 line or menu if we don't have X toolkit support. */
1693 x_set_glyph_string_clipping (s
)
1694 struct glyph_string
*s
;
1696 #ifdef USE_FONT_BACKEND
1701 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1704 w32_set_clip_rectangle (s
->hdc
, r
);
1707 HRGN full_clip
, clip1
, clip2
;
1708 clip1
= CreateRectRgnIndirect (r
);
1709 clip2
= CreateRectRgnIndirect (r
+ 1);
1710 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1712 SelectClipRgn (s
->hdc
, full_clip
);
1714 DeleteObject (clip1
);
1715 DeleteObject (clip2
);
1716 DeleteObject (full_clip
);
1718 #ifdef USE_FONT_BACKEND
1720 #endif /* USE_FONT_BACKEND */
1723 /* Set SRC's clipping for output of glyph string DST. This is called
1724 when we are drawing DST's left_overhang or right_overhang only in
1728 x_set_glyph_string_clipping_exactly (src
, dst
)
1729 struct glyph_string
*src
, *dst
;
1733 #ifdef USE_FONT_BACKEND
1734 if (enable_font_backend
)
1737 r
.right
= r
.left
+ src
->width
;
1739 r
.bottom
= r
.top
+ src
->height
;
1745 #endif /* USE_FONT_BACKEND */
1746 struct glyph_string
*clip_head
= src
->clip_head
;
1747 struct glyph_string
*clip_tail
= src
->clip_tail
;
1749 /* This foces clipping just this glyph string. */
1750 src
->clip_head
= src
->clip_tail
= src
;
1751 get_glyph_string_clip_rect (src
, &r
);
1752 src
->clip_head
= clip_head
, src
->clip_tail
= clip_tail
;
1753 #ifdef USE_FONT_BACKEND
1755 #endif /* USE_FONT_BACKEND */
1756 w32_set_clip_rectangle (dst
->hdc
, &r
);
1760 Compute left and right overhang of glyph string S. If S is a glyph
1761 string for a composition, assume overhangs don't exist. */
1764 w32_compute_glyph_string_overhangs (s
)
1765 struct glyph_string
*s
;
1767 /* TODO: Windows does not appear to have a method for
1768 getting this info without getting the ABC widths for each
1769 individual character and working it out manually. */
1774 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1775 struct glyph
*glyph
;
1779 HDC hdc
= get_frame_dc (f
);
1780 /* Convert to unicode! */
1781 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1782 release_frame_dc (f
, hdc
);
1786 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1789 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1790 struct glyph_string
*s
;
1798 /* Take clipping into account. */
1799 if (s
->gc
->clip_mask
== Rect
)
1801 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1802 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1803 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1804 - s
->gc
->clip_rectangle
.left
);
1805 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1806 - s
->gc
->clip_rectangle
.top
);
1809 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1814 /* Draw the background of glyph_string S. If S->background_filled_p
1815 is non-zero don't draw it. FORCE_P non-zero means draw the
1816 background even if it wouldn't be drawn normally. This is used
1817 when a string preceding S draws into the background of S, or S
1818 contains the first component of a composition. */
1821 x_draw_glyph_string_background (s
, force_p
)
1822 struct glyph_string
*s
;
1825 /* Nothing to do if background has already been drawn or if it
1826 shouldn't be drawn in the first place. */
1827 if (!s
->background_filled_p
)
1829 int box_line_width
= max (s
->face
->box_line_width
, 0);
1831 #if 0 /* TODO: stipple */
1834 /* Fill background with a stipple pattern. */
1835 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1836 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1837 s
->y
+ box_line_width
,
1838 s
->background_width
,
1839 s
->height
- 2 * box_line_width
);
1840 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1841 s
->background_filled_p
= 1;
1845 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1846 || s
->font_not_found_p
1847 || s
->extends_to_end_of_line_p
1851 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1852 s
->background_width
,
1853 s
->height
- 2 * box_line_width
);
1854 s
->background_filled_p
= 1;
1860 /* Draw the foreground of glyph string S. */
1863 x_draw_glyph_string_foreground (s
)
1864 struct glyph_string
*s
;
1869 /* If first glyph of S has a left box line, start drawing the text
1870 of S to the right of that box line. */
1871 if (s
->face
->box
!= FACE_NO_BOX
1872 && s
->first_glyph
->left_box_line_p
)
1873 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1877 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1878 SetBkMode (s
->hdc
, TRANSPARENT
);
1880 SetBkMode (s
->hdc
, OPAQUE
);
1882 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1883 SetBkColor (s
->hdc
, s
->gc
->background
);
1884 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1886 if (s
->font
&& s
->font
->hfont
)
1887 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1889 /* Draw characters of S as rectangles if S's font could not be
1891 if (s
->font_not_found_p
)
1893 for (i
= 0; i
< s
->nchars
; ++i
)
1895 struct glyph
*g
= s
->first_glyph
+ i
;
1897 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1899 x
+= g
->pixel_width
;
1902 #ifdef USE_FONT_BACKEND
1903 else if (enable_font_backend
)
1905 int boff
= s
->font_info
->baseline_offset
;
1906 struct font
*font
= (struct font
*) s
->font_info
;
1909 if (s
->font_info
->vertical_centering
)
1910 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1912 y
= s
->ybase
- boff
;
1914 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1915 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1917 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1918 if (s
->face
->overstrike
)
1919 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1921 #endif /* USE_FONT_BACKEND */
1924 char *char1b
= (char *) s
->char2b
;
1925 int boff
= s
->font_info
->baseline_offset
;
1927 if (s
->font_info
->vertical_centering
)
1928 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1930 /* If we can use 8-bit functions, condense S->char2b. */
1932 for (i
= 0; i
< s
->nchars
; ++i
)
1933 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1935 /* Draw text with TextOut and friends. */
1936 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1938 if (s
->face
->overstrike
)
1940 /* For overstriking (to simulate bold-face), draw the
1941 characters again shifted to the right by one pixel. */
1942 int old_BkMode
= SetBkMode (s
->hdc
, TRANSPARENT
);
1943 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1944 if (old_BkMode
&& old_BkMode
!= TRANSPARENT
)
1945 SetBkMode (s
->hdc
, old_BkMode
);
1948 if (s
->font
&& s
->font
->hfont
)
1949 SelectObject (s
->hdc
, old_font
);
1952 /* Draw the foreground of composite glyph string S. */
1955 x_draw_composite_glyph_string_foreground (s
)
1956 struct glyph_string
*s
;
1961 /* If first glyph of S has a left box line, start drawing the text
1962 of S to the right of that box line. */
1963 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1964 && s
->first_glyph
->left_box_line_p
)
1965 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1969 /* S is a glyph string for a composition. S->gidx is the index of
1970 the first character drawn for glyphs of this composition.
1971 S->gidx == 0 means we are drawing the very first character of
1972 this composition. */
1974 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1975 SetBkColor (s
->hdc
, s
->gc
->background
);
1976 SetBkMode (s
->hdc
, TRANSPARENT
);
1977 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1979 if (s
->font
&& s
->font
->hfont
)
1980 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1982 /* Draw a rectangle for the composition if the font for the very
1983 first character of the composition could not be loaded. */
1984 if (s
->font_not_found_p
)
1987 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1990 #ifdef USE_FONT_BACKEND
1991 else if (enable_font_backend
)
1993 struct font
*font
= (struct font
*) s
->font_info
;
1997 if (s
->cmp
->method
== COMPOSITION_WITH_GLYPH_STRING
)
1999 Lisp_Object gstring
= AREF (XHASH_TABLE (composition_hash_table
)
2001 s
->cmp
->hash_index
* 2);
2004 for (i
= from
= 0; i
< s
->nchars
; i
++)
2006 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
2007 Lisp_Object adjustment
= LGLYPH_ADJUSTMENT (g
);
2008 int xoff
, yoff
, wadjust
;
2010 if (! VECTORP (adjustment
))
2012 width
+= LGLYPH_WIDTH (g
);
2017 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
2020 xoff
= XINT (AREF (adjustment
, 0));
2021 yoff
= XINT (AREF (adjustment
, 1));
2022 wadjust
= XINT (AREF (adjustment
, 2));
2024 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
2030 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
2034 for (i
= 0, j
= s
->gidx
; i
< s
->nchars
; i
++, j
++)
2035 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
2037 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
2038 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
2040 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
2041 if (s
->face
->overstrike
)
2042 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
2046 #endif /* USE_FONT_BACKEND */
2049 for (i
= 0, j
= s
->gidx
; i
< s
->nchars
; i
++, j
++)
2052 w32_text_out (s
, x
+ s
->cmp
->offsets
[j
* 2],
2053 s
->ybase
- s
->cmp
->offsets
[j
* 2 + 1],
2055 if (s
->face
->overstrike
)
2056 w32_text_out (s
, x
+ s
->cmp
->offsets
[j
* 2] + 1,
2057 s
->ybase
- s
->cmp
->offsets
[j
+ 1],
2062 if (s
->font
&& s
->font
->hfont
)
2063 SelectObject (s
->hdc
, old_font
);
2067 /* Brightness beyond which a color won't have its highlight brightness
2070 Nominally, highlight colors for `3d' faces are calculated by
2071 brightening an object's color by a constant scale factor, but this
2072 doesn't yield good results for dark colors, so for colors who's
2073 brightness is less than this value (on a scale of 0-255) have to
2074 use an additional additive factor.
2076 The value here is set so that the default menu-bar/mode-line color
2077 (grey75) will not have its highlights changed at all. */
2078 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
2081 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
2082 or DELTA. Try a color with RGB values multiplied by FACTOR first.
2083 If this produces the same color as COLOR, try a color where all RGB
2084 values have DELTA added. Return the allocated color in *COLOR.
2085 DISPLAY is the X display, CMAP is the colormap to operate on.
2086 Value is non-zero if successful. */
2089 w32_alloc_lighter_color (f
, color
, factor
, delta
)
2098 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
2101 /* Change RGB values by specified FACTOR. Avoid overflow! */
2102 xassert (factor
>= 0);
2103 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
2104 min (0xff, factor
* GetGValue (*color
)),
2105 min (0xff, factor
* GetBValue (*color
)));
2107 /* Calculate brightness of COLOR. */
2108 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
2109 + GetBValue (*color
)) / 6;
2111 /* We only boost colors that are darker than
2112 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
2113 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
2114 /* Make an additive adjustment to NEW, because it's dark enough so
2115 that scaling by FACTOR alone isn't enough. */
2117 /* How far below the limit this color is (0 - 1, 1 being darker). */
2118 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
2119 /* The additive adjustment. */
2120 int min_delta
= delta
* dimness
* factor
/ 2;
2123 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
2124 max (0, min (0xff, min_delta
- GetGValue (*color
))),
2125 max (0, min (0xff, min_delta
- GetBValue (*color
))));
2127 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
2128 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
2129 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
2133 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
2134 max (0, min (0xff, delta
+ GetGValue (*color
))),
2135 max (0, min (0xff, delta
+ GetBValue (*color
))));
2137 /* TODO: Map to palette and retry with delta if same? */
2138 /* TODO: Free colors (if using palette)? */
2149 /* Set up the foreground color for drawing relief lines of glyph
2150 string S. RELIEF is a pointer to a struct relief containing the GC
2151 with which lines will be drawn. Use a color that is FACTOR or
2152 DELTA lighter or darker than the relief's background which is found
2153 in S->f->output_data.x->relief_background. If such a color cannot
2154 be allocated, use DEFAULT_PIXEL, instead. */
2157 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
2159 struct relief
*relief
;
2162 COLORREF default_pixel
;
2165 struct w32_output
*di
= f
->output_data
.w32
;
2166 unsigned long mask
= GCForeground
;
2168 COLORREF background
= di
->relief_background
;
2169 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
2171 /* TODO: Free colors (if using palette)? */
2173 /* Allocate new color. */
2174 xgcv
.foreground
= default_pixel
;
2176 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
2178 relief
->allocated_p
= 1;
2179 xgcv
.foreground
= relief
->pixel
= pixel
;
2182 if (relief
->gc
== 0)
2184 #if 0 /* TODO: stipple */
2185 xgcv
.stipple
= dpyinfo
->gray
;
2188 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
2191 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
2195 /* Set up colors for the relief lines around glyph string S. */
2198 x_setup_relief_colors (s
)
2199 struct glyph_string
*s
;
2201 struct w32_output
*di
= s
->f
->output_data
.w32
;
2204 if (s
->face
->use_box_color_for_shadows_p
)
2205 color
= s
->face
->box_color
;
2206 else if (s
->first_glyph
->type
== IMAGE_GLYPH
2208 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
2209 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
2211 color
= s
->gc
->background
;
2213 if (di
->white_relief
.gc
== 0
2214 || color
!= di
->relief_background
)
2216 di
->relief_background
= color
;
2217 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
2218 WHITE_PIX_DEFAULT (s
->f
));
2219 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
2220 BLACK_PIX_DEFAULT (s
->f
));
2225 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
2226 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
2227 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
2228 relief. LEFT_P non-zero means draw a relief on the left side of
2229 the rectangle. RIGHT_P non-zero means draw a relief on the right
2230 side of the rectangle. CLIP_RECT is the clipping rectangle to use
2234 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
2235 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
2237 int left_x
, top_y
, right_x
, bottom_y
, width
;
2238 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
2243 HDC hdc
= get_frame_dc (f
);
2246 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
2248 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
2250 w32_set_clip_rectangle (hdc
, clip_rect
);
2254 for (i
= 0; i
< width
; ++i
)
2255 w32_fill_area (f
, hdc
, gc
.foreground
,
2256 left_x
+ i
* left_p
, top_y
+ i
,
2257 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2261 for (i
= 0; i
< width
; ++i
)
2262 w32_fill_area (f
, hdc
, gc
.foreground
,
2263 left_x
+ i
, top_y
+ i
, 1,
2264 bottom_y
- top_y
- 2 * i
+ 1);
2267 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
2269 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
2273 for (i
= 0; i
< width
; ++i
)
2274 w32_fill_area (f
, hdc
, gc
.foreground
,
2275 left_x
+ i
* left_p
, bottom_y
- i
,
2276 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2280 for (i
= 0; i
< width
; ++i
)
2281 w32_fill_area (f
, hdc
, gc
.foreground
,
2282 right_x
- i
, top_y
+ i
+ 1, 1,
2283 bottom_y
- top_y
- 2 * i
- 1);
2285 w32_set_clip_rectangle (hdc
, NULL
);
2287 release_frame_dc (f
, hdc
);
2291 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
2292 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
2293 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
2294 left side of the rectangle. RIGHT_P non-zero means draw a line
2295 on the right side of the rectangle. CLIP_RECT is the clipping
2296 rectangle to use when drawing. */
2299 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2300 left_p
, right_p
, clip_rect
)
2301 struct glyph_string
*s
;
2302 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
2305 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
2308 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2309 left_x
, top_y
, right_x
- left_x
+ 1, width
);
2314 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2315 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
2319 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2320 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
2325 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2326 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
2329 w32_set_clip_rectangle (s
->hdc
, NULL
);
2333 /* Draw a box around glyph string S. */
2336 x_draw_glyph_string_box (s
)
2337 struct glyph_string
*s
;
2339 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
2340 int left_p
, right_p
;
2341 struct glyph
*last_glyph
;
2344 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
2345 ? WINDOW_RIGHT_EDGE_X (s
->w
)
2346 : window_box_right (s
->w
, s
->area
));
2348 /* The glyph that may have a right box line. */
2349 last_glyph
= (s
->cmp
|| s
->img
2351 : s
->first_glyph
+ s
->nchars
- 1);
2353 width
= eabs (s
->face
->box_line_width
);
2354 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
2356 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
2358 : min (last_x
, s
->x
+ s
->background_width
) - 1));
2360 bottom_y
= top_y
+ s
->height
- 1;
2362 left_p
= (s
->first_glyph
->left_box_line_p
2363 || (s
->hl
== DRAW_MOUSE_FACE
2365 || s
->prev
->hl
!= s
->hl
)));
2366 right_p
= (last_glyph
->right_box_line_p
2367 || (s
->hl
== DRAW_MOUSE_FACE
2369 || s
->next
->hl
!= s
->hl
)));
2371 get_glyph_string_clip_rect (s
, &clip_rect
);
2373 if (s
->face
->box
== FACE_SIMPLE_BOX
)
2374 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2375 left_p
, right_p
, &clip_rect
);
2378 x_setup_relief_colors (s
);
2379 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
2380 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
2385 /* Draw foreground of image glyph string S. */
2388 x_draw_image_foreground (s
)
2389 struct glyph_string
*s
;
2392 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2394 /* If first glyph of S has a left box line, start drawing it to the
2395 right of that line. */
2396 if (s
->face
->box
!= FACE_NO_BOX
2397 && s
->first_glyph
->left_box_line_p
2399 x
+= eabs (s
->face
->box_line_width
);
2401 /* If there is a margin around the image, adjust x- and y-position
2403 if (s
->slice
.x
== 0)
2404 x
+= s
->img
->hmargin
;
2405 if (s
->slice
.y
== 0)
2406 y
+= s
->img
->vmargin
;
2412 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2413 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2414 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2415 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2416 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2417 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2418 x_set_glyph_string_clipping (s
);
2422 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2423 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2425 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2426 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2428 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2429 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2430 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2431 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2432 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2433 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2435 SelectObject (mask_dc
, mask_orig_obj
);
2440 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2441 SetBkColor (s
->hdc
, s
->gc
->background
);
2443 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2444 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2446 /* When the image has a mask, we can expect that at
2447 least part of a mouse highlight or a block cursor will
2448 be visible. If the image doesn't have a mask, make
2449 a block cursor visible by drawing a rectangle around
2450 the image. I believe it's looking better if we do
2451 nothing here for mouse-face. */
2452 if (s
->hl
== DRAW_CURSOR
)
2454 int r
= s
->img
->relief
;
2456 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2457 s
->slice
.width
+ r
*2 - 1,
2458 s
->slice
.height
+ r
*2 - 1);
2462 w32_set_clip_rectangle (s
->hdc
, NULL
);
2463 SelectObject (s
->hdc
, orig_brush
);
2464 DeleteObject (fg_brush
);
2465 SelectObject (compat_hdc
, orig_obj
);
2466 DeleteDC (compat_hdc
);
2469 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2470 s
->slice
.width
- 1, s
->slice
.height
- 1);
2472 RestoreDC (s
->hdc
,-1);
2476 /* Draw a relief around the image glyph string S. */
2479 x_draw_image_relief (s
)
2480 struct glyph_string
*s
;
2482 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2485 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2487 /* If first glyph of S has a left box line, start drawing it to the
2488 right of that line. */
2489 if (s
->face
->box
!= FACE_NO_BOX
2490 && s
->first_glyph
->left_box_line_p
2492 x
+= eabs (s
->face
->box_line_width
);
2494 /* If there is a margin around the image, adjust x- and y-position
2496 if (s
->slice
.x
== 0)
2497 x
+= s
->img
->hmargin
;
2498 if (s
->slice
.y
== 0)
2499 y
+= s
->img
->vmargin
;
2501 if (s
->hl
== DRAW_IMAGE_SUNKEN
2502 || s
->hl
== DRAW_IMAGE_RAISED
)
2504 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2505 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2509 thick
= eabs (s
->img
->relief
);
2510 raised_p
= s
->img
->relief
> 0;
2515 x1
= x
+ s
->slice
.width
+ thick
- 1;
2516 y1
= y
+ s
->slice
.height
+ thick
- 1;
2518 x_setup_relief_colors (s
);
2519 get_glyph_string_clip_rect (s
, &r
);
2520 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2522 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2524 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2529 /* Draw the foreground of image glyph string S to PIXMAP. */
2532 w32_draw_image_foreground_1 (s
, pixmap
)
2533 struct glyph_string
*s
;
2536 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2537 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2539 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2541 /* If first glyph of S has a left box line, start drawing it to the
2542 right of that line. */
2543 if (s
->face
->box
!= FACE_NO_BOX
2544 && s
->first_glyph
->left_box_line_p
2546 x
+= eabs (s
->face
->box_line_width
);
2548 /* If there is a margin around the image, adjust x- and y-position
2550 if (s
->slice
.x
== 0)
2551 x
+= s
->img
->hmargin
;
2552 if (s
->slice
.y
== 0)
2553 y
+= s
->img
->vmargin
;
2557 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2558 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2559 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2560 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2564 HDC mask_dc
= CreateCompatibleDC (hdc
);
2565 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2567 SetTextColor (hdc
, RGB (0, 0, 0));
2568 SetBkColor (hdc
, RGB (255, 255, 255));
2569 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2570 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2571 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2572 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2573 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2574 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2576 SelectObject (mask_dc
, mask_orig_obj
);
2581 SetTextColor (hdc
, s
->gc
->foreground
);
2582 SetBkColor (hdc
, s
->gc
->background
);
2584 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2585 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2587 /* When the image has a mask, we can expect that at
2588 least part of a mouse highlight or a block cursor will
2589 be visible. If the image doesn't have a mask, make
2590 a block cursor visible by drawing a rectangle around
2591 the image. I believe it's looking better if we do
2592 nothing here for mouse-face. */
2593 if (s
->hl
== DRAW_CURSOR
)
2595 int r
= s
->img
->relief
;
2597 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2598 s
->slice
.width
+ r
*2 - 1,
2599 s
->slice
.height
+ r
*2 - 1);
2603 SelectObject (hdc
, orig_brush
);
2604 DeleteObject (fg_brush
);
2605 SelectObject (compat_hdc
, orig_obj
);
2606 DeleteDC (compat_hdc
);
2609 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2610 s
->slice
.width
- 1, s
->slice
.height
- 1);
2612 SelectObject (hdc
, orig_hdc_obj
);
2617 /* Draw part of the background of glyph string S. X, Y, W, and H
2618 give the rectangle to draw. */
2621 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2622 struct glyph_string
*s
;
2625 #if 0 /* TODO: stipple */
2628 /* Fill background with a stipple pattern. */
2629 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2630 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2631 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2635 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2639 /* Draw image glyph string S.
2642 s->x +-------------------------
2645 | +-------------------------
2648 | | +-------------------
2654 x_draw_image_glyph_string (s
)
2655 struct glyph_string
*s
;
2658 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2659 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2663 height
= s
->height
- 2 * box_line_vwidth
;
2665 /* Fill background with face under the image. Do it only if row is
2666 taller than image or if image has a clip mask to reduce
2668 s
->stippled_p
= s
->face
->stipple
!= 0;
2669 if (height
> s
->slice
.height
2673 || s
->img
->pixmap
== 0
2674 || s
->width
!= s
->background_width
)
2677 if (s
->first_glyph
->left_box_line_p
2679 x
+= box_line_hwidth
;
2682 if (s
->slice
.y
== 0)
2683 y
+= box_line_vwidth
;
2685 #if 0 /* TODO: figure out if we need to do this on Windows. */
2688 /* Create a pixmap as large as the glyph string. Fill it
2689 with the background color. Copy the image to it, using
2690 its mask. Copy the temporary pixmap to the display. */
2691 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2692 int depth
= DefaultDepthOfScreen (screen
);
2694 /* Create a pixmap as large as the glyph string. */
2695 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2696 s
->background_width
,
2699 /* Don't clip in the following because we're working on the
2701 XSetClipMask (s
->display
, s
->gc
, None
);
2703 /* Fill the pixmap with the background color/stipple. */
2706 /* Fill background with a stipple pattern. */
2707 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2708 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2709 0, 0, s
->background_width
, s
->height
);
2710 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2715 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2717 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2718 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2719 0, 0, s
->background_width
, s
->height
);
2720 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2725 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2727 s
->background_filled_p
= 1;
2730 /* Draw the foreground. */
2733 w32_draw_image_foreground_1 (s
, pixmap
);
2734 x_set_glyph_string_clipping (s
);
2736 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2737 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2738 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2739 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2741 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2742 SetBkColor (s
->hdc
, s
->gc
->background
);
2743 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2744 compat_hdc
, 0, 0, SRCCOPY
);
2746 SelectObject (s
->hdc
, orig_brush
);
2747 DeleteObject (fg_brush
);
2748 SelectObject (compat_hdc
, orig_obj
);
2749 DeleteDC (compat_hdc
);
2751 DeleteObject (pixmap
);
2755 x_draw_image_foreground (s
);
2757 /* If we must draw a relief around the image, do it. */
2759 || s
->hl
== DRAW_IMAGE_RAISED
2760 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2761 x_draw_image_relief (s
);
2765 /* Draw stretch glyph string S. */
2768 x_draw_stretch_glyph_string (s
)
2769 struct glyph_string
*s
;
2771 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2773 if (s
->hl
== DRAW_CURSOR
2774 && !x_stretch_cursor_p
)
2776 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2777 as wide as the stretch glyph. */
2778 int width
, background_width
= s
->background_width
;
2779 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2783 background_width
-= left_x
- x
;
2786 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2789 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2791 /* Clear rest using the GC of the original non-cursor face. */
2792 if (width
< background_width
)
2794 XGCValues
*gc
= s
->face
->gc
;
2796 int w
= background_width
- width
, h
= s
->height
;
2801 if (s
->row
->mouse_face_p
2802 && cursor_in_mouse_face_p (s
->w
))
2804 x_set_mouse_face_gc (s
);
2810 get_glyph_string_clip_rect (s
, &r
);
2811 w32_set_clip_rectangle (hdc
, &r
);
2813 #if 0 /* TODO: stipple */
2814 if (s
->face
->stipple
)
2816 /* Fill background with a stipple pattern. */
2817 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2818 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2819 XSetFillStyle (s
->display
, gc
, FillSolid
);
2824 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2828 else if (!s
->background_filled_p
)
2830 int background_width
= s
->background_width
;
2831 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2833 /* Don't draw into left margin, fringe or scrollbar area
2834 except for header line and mode line. */
2835 if (x
< left_x
&& !s
->row
->mode_line_p
)
2837 background_width
-= left_x
- x
;
2840 if (background_width
> 0)
2841 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2844 s
->background_filled_p
= 1;
2848 /* Draw glyph string S. */
2851 x_draw_glyph_string (s
)
2852 struct glyph_string
*s
;
2854 int relief_drawn_p
= 0;
2856 /* If S draws into the background of its successor, draw the
2857 background of the successor first so that S can draw into it.
2858 This makes S->next use XDrawString instead of XDrawImageString. */
2859 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2862 struct glyph_string
*next
;
2863 for (width
= 0, next
= s
->next
; next
;
2864 width
+= next
->width
, next
= next
->next
)
2865 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2867 x_set_glyph_string_gc (next
);
2868 x_set_glyph_string_clipping (next
);
2869 x_draw_glyph_string_background (next
, 1);
2870 #ifdef USE_FONT_BACKEND
2871 next
->num_clips
= 0;
2872 #endif /* USE_FONT_BACKEND */
2876 /* Set up S->gc, set clipping and draw S. */
2877 x_set_glyph_string_gc (s
);
2879 /* Draw relief (if any) in advance for char/composition so that the
2880 glyph string can be drawn over it. */
2881 if (!s
->for_overlaps
2882 && s
->face
->box
!= FACE_NO_BOX
2883 && (s
->first_glyph
->type
== CHAR_GLYPH
2884 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2887 x_set_glyph_string_clipping (s
);
2888 x_draw_glyph_string_background (s
, 1);
2889 x_draw_glyph_string_box (s
);
2890 x_set_glyph_string_clipping (s
);
2893 else if ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2894 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
))
2895 /* We must clip just this glyph. left_overhang part has already
2896 drawn when s->prev was drawn, and right_overhang part will be
2897 drawn later when s->next is drawn. */
2898 x_set_glyph_string_clipping_exactly (s
, s
);
2900 x_set_glyph_string_clipping (s
);
2902 switch (s
->first_glyph
->type
)
2905 x_draw_image_glyph_string (s
);
2909 x_draw_stretch_glyph_string (s
);
2913 if (s
->for_overlaps
)
2914 s
->background_filled_p
= 1;
2916 x_draw_glyph_string_background (s
, 0);
2917 x_draw_glyph_string_foreground (s
);
2920 case COMPOSITE_GLYPH
:
2921 if (s
->for_overlaps
|| s
->gidx
> 0)
2922 s
->background_filled_p
= 1;
2924 x_draw_glyph_string_background (s
, 1);
2925 x_draw_composite_glyph_string_foreground (s
);
2932 if (!s
->for_overlaps
)
2934 /* Draw underline. */
2935 if (s
->face
->underline_p
2936 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2940 /* Get the underline thickness. Default is 1 pixel. */
2941 #ifdef USE_FONT_BACKEND
2942 if (enable_font_backend
)
2943 /* In the future, we must use information of font. */
2946 #endif /* USE_FONT_BACKEND */
2949 #ifdef USE_FONT_BACKEND
2950 if (enable_font_backend
)
2953 /* In the future, we must use information of font. */
2954 y
= s
->ybase
+ (s
->face
->font
->max_bounds
.descent
+ 1) / 2;
2956 y
= s
->y
+ s
->height
- h
;
2961 y
= s
->y
+ s
->height
- h
;
2962 /* TODO: Use font information for positioning and
2963 thickness of underline. See OUTLINETEXTMETRIC,
2964 and xterm.c. Note: If you make this work,
2965 don't forget to change the doc string of
2966 x-use-underline_color-position-properties
2969 if (!x_underline_at_descent_line
)
2975 if (s
->face
->underline_defaulted_p
)
2977 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2978 y
, s
->background_width
, 1);
2982 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2983 y
, s
->background_width
, 1);
2986 /* Draw overline. */
2987 if (s
->face
->overline_p
)
2989 unsigned long dy
= 0, h
= 1;
2991 if (s
->face
->overline_color_defaulted_p
)
2993 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2994 s
->y
+ dy
, s
->background_width
, h
);
2998 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2999 s
->y
+ dy
, s
->background_width
, h
);
3003 /* Draw strike-through. */
3004 if (s
->face
->strike_through_p
3005 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
3007 unsigned long h
= 1;
3008 unsigned long dy
= (s
->height
- h
) / 2;
3010 if (s
->face
->strike_through_color_defaulted_p
)
3012 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
3017 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
3018 s
->y
+ dy
, s
->width
, h
);
3022 /* Draw relief if not yet drawn. */
3023 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
3024 x_draw_glyph_string_box (s
);
3028 struct glyph_string
*prev
;
3030 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
3031 if (prev
->hl
!= s
->hl
3032 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
3034 /* As prev was drawn while clipped to its own area, we
3035 must draw the right_overhang part using s->hl now. */
3036 enum draw_glyphs_face save
= prev
->hl
;
3039 x_set_glyph_string_gc (prev
);
3040 x_set_glyph_string_clipping_exactly (s
, prev
);
3041 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
3042 x_draw_glyph_string_foreground (prev
);
3044 x_draw_composite_glyph_string_foreground (prev
);
3045 w32_set_clip_rectangle (prev
->hdc
, NULL
);
3047 #ifdef USE_FONT_BACKEND
3048 prev
->num_clips
= 0;
3049 #endif /* USE_FONT_BACKEND */
3055 struct glyph_string
*next
;
3057 for (next
= s
->next
; next
; next
= next
->next
)
3058 if (next
->hl
!= s
->hl
3059 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
3061 /* As next will be drawn while clipped to its own area,
3062 we must draw the left_overhang part using s->hl now. */
3063 enum draw_glyphs_face save
= next
->hl
;
3066 x_set_glyph_string_gc (next
);
3067 x_set_glyph_string_clipping_exactly (s
, next
);
3068 if (next
->first_glyph
->type
== CHAR_GLYPH
)
3069 x_draw_glyph_string_foreground (next
);
3071 x_draw_composite_glyph_string_foreground (next
);
3072 w32_set_clip_rectangle (next
->hdc
, NULL
);
3074 #ifdef USE_FONT_BACKEND
3075 next
->num_clips
= 0;
3076 #endif /* USE_FONT_BACKEND */
3081 /* Reset clipping. */
3082 w32_set_clip_rectangle (s
->hdc
, NULL
);
3083 #ifdef USE_FONT_BACKEND
3085 #endif /* USE_FONT_BACKEND */
3089 /* Shift display to make room for inserted glyphs. */
3092 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
3094 int x
, y
, width
, height
, shift_by
;
3098 hdc
= get_frame_dc (f
);
3099 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
3100 hdc
, x
, y
, SRCCOPY
);
3102 release_frame_dc (f
, hdc
);
3106 /* Delete N glyphs at the nominal cursor position. Not implemented
3110 x_delete_glyphs (f
, n
)
3114 if (! FRAME_W32_P (f
))
3121 /* Clear entire frame. If updating_frame is non-null, clear that
3122 frame. Otherwise clear the selected frame. */
3125 x_clear_frame (struct frame
*f
)
3127 if (! FRAME_W32_P (f
))
3130 /* Clearing the frame will erase any cursor, so mark them all as no
3132 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
3133 output_cursor
.hpos
= output_cursor
.vpos
= 0;
3134 output_cursor
.x
= -1;
3136 /* We don't set the output cursor here because there will always
3137 follow an explicit cursor_to. */
3140 w32_clear_window (f
);
3142 /* We have to clear the scroll bars, too. If we have changed
3143 colors or something like that, then they should be notified. */
3144 x_scroll_bar_clear (f
);
3150 /* Make audible bell. */
3153 w32_ring_bell (struct frame
*f
)
3157 if (FRAME_W32_P (f
) && visible_bell
)
3160 HWND hwnd
= FRAME_W32_WINDOW (f
);
3162 for (i
= 0; i
< 5; i
++)
3164 FlashWindow (hwnd
, TRUE
);
3167 FlashWindow (hwnd
, FALSE
);
3170 w32_sys_ring_bell (f
);
3176 /* Specify how many text lines, from the top of the window,
3177 should be affected by insert-lines and delete-lines operations.
3178 This, and those operations, are used only within an update
3179 that is bounded by calls to x_update_begin and x_update_end. */
3182 w32_set_terminal_window (n
)
3185 /* This function intentionally left blank. */
3189 /***********************************************************************
3191 ***********************************************************************/
3193 /* Perform an insert-lines or delete-lines operation, inserting N
3194 lines or deleting -N lines at vertical position VPOS. */
3197 x_ins_del_lines (f
, vpos
, n
)
3201 if (! FRAME_W32_P (f
))
3208 /* Scroll part of the display as described by RUN. */
3211 x_scroll_run (w
, run
)
3215 struct frame
*f
= XFRAME (w
->frame
);
3216 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
3217 HWND hwnd
= FRAME_W32_WINDOW (f
);
3220 /* Get frame-relative bounding box of the text display area of W,
3221 without mode lines. Include in this box the left and right
3223 window_box (w
, -1, &x
, &y
, &width
, &height
);
3225 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
3226 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
3227 bottom_y
= y
+ height
;
3231 /* Scrolling up. Make sure we don't copy part of the mode
3232 line at the bottom. */
3233 if (from_y
+ run
->height
> bottom_y
)
3234 height
= bottom_y
- from_y
;
3236 height
= run
->height
;
3237 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
3241 /* Scolling down. Make sure we don't copy over the mode line.
3243 if (to_y
+ run
->height
> bottom_y
)
3244 height
= bottom_y
- to_y
;
3246 height
= run
->height
;
3247 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
3252 /* Cursor off. Will be switched on again in x_update_window_end. */
3259 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
3260 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
3262 from
.left
= to
.left
= x
;
3263 from
.right
= to
.right
= x
+ width
;
3265 from
.bottom
= from_y
+ height
;
3267 to
.bottom
= bottom_y
;
3269 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
3270 NULL
, SW_INVALIDATE
);
3272 /* Combine this with what we expect to be dirty. This covers the
3273 case where not all of the region we expect is actually dirty. */
3274 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
3276 /* If the dirty region is not what we expected, redraw the entire frame. */
3277 if (!EqualRgn (combined
, expect_dirty
))
3278 SET_FRAME_GARBAGED (f
);
3280 DeleteObject (dirty
);
3281 DeleteObject (combined
);
3285 DeleteObject (expect_dirty
);
3290 /***********************************************************************
3292 ***********************************************************************/
3298 x_update_cursor (f
, 1);
3302 frame_unhighlight (f
)
3305 x_update_cursor (f
, 1);
3308 /* The focus has changed. Update the frames as necessary to reflect
3309 the new situation. Note that we can't change the selected frame
3310 here, because the Lisp code we are interrupting might become confused.
3311 Each event gets marked with the frame in which it occurred, so the
3312 Lisp code can tell when the switch took place by examining the events. */
3315 x_new_focus_frame (dpyinfo
, frame
)
3316 struct w32_display_info
*dpyinfo
;
3317 struct frame
*frame
;
3319 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
3321 if (frame
!= dpyinfo
->w32_focus_frame
)
3323 /* Set this before calling other routines, so that they see
3324 the correct value of w32_focus_frame. */
3325 dpyinfo
->w32_focus_frame
= frame
;
3327 if (old_focus
&& old_focus
->auto_lower
)
3328 x_lower_frame (old_focus
);
3330 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
3331 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
3333 pending_autoraise_frame
= 0;
3336 x_frame_rehighlight (dpyinfo
);
3340 /* Handle FocusIn and FocusOut state changes for FRAME.
3341 If FRAME has focus and there exists more than one frame, puts
3342 a FOCUS_IN_EVENT into *BUFP. */
3345 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
3348 struct w32_display_info
*dpyinfo
;
3349 struct frame
*frame
;
3350 struct input_event
*bufp
;
3352 if (type
== WM_SETFOCUS
)
3354 if (dpyinfo
->w32_focus_event_frame
!= frame
)
3356 x_new_focus_frame (dpyinfo
, frame
);
3357 dpyinfo
->w32_focus_event_frame
= frame
;
3359 /* Don't stop displaying the initial startup message
3360 for a switch-frame event we don't need. */
3361 if (NILP (Vterminal_frame
)
3362 && CONSP (Vframe_list
)
3363 && !NILP (XCDR (Vframe_list
)))
3365 bufp
->kind
= FOCUS_IN_EVENT
;
3366 XSETFRAME (bufp
->frame_or_window
, frame
);
3370 frame
->output_data
.x
->focus_state
|= state
;
3372 /* TODO: IME focus? */
3374 else if (type
== WM_KILLFOCUS
)
3376 frame
->output_data
.x
->focus_state
&= ~state
;
3378 if (dpyinfo
->w32_focus_event_frame
== frame
)
3380 dpyinfo
->w32_focus_event_frame
= 0;
3381 x_new_focus_frame (dpyinfo
, 0);
3384 /* TODO: IME focus? */
3389 /* The focus may have changed. Figure out if it is a real focus change,
3390 by checking both FocusIn/Out and Enter/LeaveNotify events.
3392 Returns FOCUS_IN_EVENT event in *BUFP. */
3395 w32_detect_focus_change (dpyinfo
, event
, bufp
)
3396 struct w32_display_info
*dpyinfo
;
3398 struct input_event
*bufp
;
3400 struct frame
*frame
;
3402 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
3406 /* On w32, this is only called from focus events, so no switch needed. */
3407 x_focus_changed (event
->msg
.message
,
3408 (event
->msg
.message
== WM_KILLFOCUS
?
3409 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
3410 dpyinfo
, frame
, bufp
);
3414 /* Handle an event saying the mouse has moved out of an Emacs frame. */
3417 x_mouse_leave (dpyinfo
)
3418 struct w32_display_info
*dpyinfo
;
3420 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
3423 /* The focus has changed, or we have redirected a frame's focus to
3424 another frame (this happens when a frame uses a surrogate
3425 mini-buffer frame). Shift the highlight as appropriate.
3427 The FRAME argument doesn't necessarily have anything to do with which
3428 frame is being highlighted or un-highlighted; we only use it to find
3429 the appropriate X display info. */
3432 w32_frame_rehighlight (frame
)
3433 struct frame
*frame
;
3435 if (! FRAME_W32_P (frame
))
3437 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
3441 x_frame_rehighlight (dpyinfo
)
3442 struct w32_display_info
*dpyinfo
;
3444 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
3446 if (dpyinfo
->w32_focus_frame
)
3448 dpyinfo
->x_highlight_frame
3449 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
3450 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
3451 : dpyinfo
->w32_focus_frame
);
3452 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
3454 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
3455 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
3459 dpyinfo
->x_highlight_frame
= 0;
3461 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3464 frame_unhighlight (old_highlight
);
3465 if (dpyinfo
->x_highlight_frame
)
3466 frame_highlight (dpyinfo
->x_highlight_frame
);
3470 /* Keyboard processing - modifier keys, etc. */
3472 /* Convert a keysym to its name. */
3475 x_get_keysym_name (keysym
)
3478 /* Make static so we can always return it */
3479 static char value
[100];
3482 GetKeyNameText (keysym
, value
, 100);
3490 /* Mouse clicks and mouse movement. Rah. */
3492 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3493 the state in PUP. XBUTTON provides extra information for extended mouse
3494 button messages. Returns FALSE if unable to parse the message. */
3496 parse_button (message
, xbutton
, pbutton
, pup
)
3507 case WM_LBUTTONDOWN
:
3515 case WM_MBUTTONDOWN
:
3516 if (NILP (Vw32_swap_mouse_buttons
))
3523 if (NILP (Vw32_swap_mouse_buttons
))
3529 case WM_RBUTTONDOWN
:
3530 if (NILP (Vw32_swap_mouse_buttons
))
3537 if (NILP (Vw32_swap_mouse_buttons
))
3543 case WM_XBUTTONDOWN
:
3544 button
= xbutton
+ 2;
3548 button
= xbutton
+ 2;
3556 if (pbutton
) *pbutton
= button
;
3562 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3564 If the event is a button press, then note that we have grabbed
3568 construct_mouse_click (result
, msg
, f
)
3569 struct input_event
*result
;
3576 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3579 /* Make the event type NO_EVENT; we'll change that when we decide
3581 result
->kind
= MOUSE_CLICK_EVENT
;
3582 result
->code
= button
;
3583 result
->timestamp
= msg
->msg
.time
;
3584 result
->modifiers
= (msg
->dwModifiers
3589 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3590 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3591 XSETFRAME (result
->frame_or_window
, f
);
3597 construct_mouse_wheel (result
, msg
, f
)
3598 struct input_event
*result
;
3605 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3608 result
->timestamp
= msg
->msg
.time
;
3610 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3611 forward, away from the user (up); a negative value indicates that
3612 the wheel was rotated backward, toward the user (down). */
3613 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3615 /* The up and down modifiers indicate if the wheel was rotated up or
3616 down based on WHEEL_DELTA value. */
3617 result
->modifiers
= (msg
->dwModifiers
3618 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3620 /* With multiple monitors, we can legitimately get negative
3621 coordinates, so cast to short to interpret them correctly. */
3622 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3623 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3624 ScreenToClient (msg
->msg
.hwnd
, &p
);
3625 XSETINT (result
->x
, p
.x
);
3626 XSETINT (result
->y
, p
.y
);
3627 XSETFRAME (result
->frame_or_window
, f
);
3633 construct_drag_n_drop (result
, msg
, f
)
3634 struct input_event
*result
;
3646 result
->kind
= DRAG_N_DROP_EVENT
;
3648 result
->timestamp
= msg
->msg
.time
;
3649 result
->modifiers
= msg
->dwModifiers
;
3651 hdrop
= (HDROP
) msg
->msg
.wParam
;
3652 DragQueryPoint (hdrop
, &p
);
3655 p
.x
= LOWORD (msg
->msg
.lParam
);
3656 p
.y
= HIWORD (msg
->msg
.lParam
);
3657 ScreenToClient (msg
->msg
.hwnd
, &p
);
3660 XSETINT (result
->x
, p
.x
);
3661 XSETINT (result
->y
, p
.y
);
3663 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3666 for (i
= 0; i
< num_files
; i
++)
3668 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3671 name
= alloca (len
+ 1);
3672 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3673 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3678 XSETFRAME (frame
, f
);
3679 result
->frame_or_window
= frame
;
3680 result
->arg
= files
;
3685 /* Function to report a mouse movement to the mainstream Emacs code.
3686 The input handler calls this.
3688 We have received a mouse movement event, which is given in *event.
3689 If the mouse is over a different glyph than it was last time, tell
3690 the mainstream emacs code by setting mouse_moved. If not, ask for
3691 another motion event, so we can check again the next time it moves. */
3693 static MSG last_mouse_motion_event
;
3694 static Lisp_Object last_mouse_motion_frame
;
3697 note_mouse_movement (frame
, msg
)
3701 int mouse_x
= LOWORD (msg
->lParam
);
3702 int mouse_y
= HIWORD (msg
->lParam
);
3704 last_mouse_movement_time
= msg
->time
;
3705 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3706 XSETFRAME (last_mouse_motion_frame
, frame
);
3708 if (!FRAME_X_OUTPUT (frame
))
3711 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3713 frame
->mouse_moved
= 1;
3714 last_mouse_scroll_bar
= Qnil
;
3715 note_mouse_highlight (frame
, -1, -1);
3716 last_mouse_glyph_frame
= 0;
3720 /* Has the mouse moved off the glyph it was on at the last sighting? */
3721 if (frame
!= last_mouse_glyph_frame
3722 || mouse_x
< last_mouse_glyph
.left
3723 || mouse_x
>= last_mouse_glyph
.right
3724 || mouse_y
< last_mouse_glyph
.top
3725 || mouse_y
>= last_mouse_glyph
.bottom
)
3727 frame
->mouse_moved
= 1;
3728 last_mouse_scroll_bar
= Qnil
;
3729 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3730 /* Remember the mouse position here, as w32_mouse_position only
3731 gets called when mouse tracking is enabled but we also need
3732 to keep track of the mouse for help_echo and highlighting at
3734 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3735 last_mouse_glyph_frame
= frame
;
3743 /************************************************************************
3745 ************************************************************************/
3747 static struct scroll_bar
*x_window_to_scroll_bar ();
3748 static void x_scroll_bar_report_motion ();
3749 static void x_check_fullscreen
P_ ((struct frame
*));
3752 redo_mouse_highlight ()
3754 if (!NILP (last_mouse_motion_frame
)
3755 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3756 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3757 LOWORD (last_mouse_motion_event
.lParam
),
3758 HIWORD (last_mouse_motion_event
.lParam
));
3762 w32_define_cursor (window
, cursor
)
3766 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3768 /* Return the current position of the mouse.
3769 *fp should be a frame which indicates which display to ask about.
3771 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3772 and *part to the frame, window, and scroll bar part that the mouse
3773 is over. Set *x and *y to the portion and whole of the mouse's
3774 position on the scroll bar.
3776 If the mouse movement started elsewhere, set *fp to the frame the
3777 mouse is on, *bar_window to nil, and *x and *y to the character cell
3780 Set *time to the server time-stamp for the time at which the mouse
3781 was at this position.
3783 Don't store anything if we don't have a valid set of values to report.
3785 This clears the mouse_moved flag, so we can wait for the next mouse
3789 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3792 Lisp_Object
*bar_window
;
3793 enum scroll_bar_part
*part
;
3795 unsigned long *time
;
3801 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3802 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3807 Lisp_Object frame
, tail
;
3809 /* Clear the mouse-moved flag for every frame on this display. */
3810 FOR_EACH_FRAME (tail
, frame
)
3811 XFRAME (frame
)->mouse_moved
= 0;
3813 last_mouse_scroll_bar
= Qnil
;
3817 /* Now we have a position on the root; find the innermost window
3818 containing the pointer. */
3820 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3821 && FRAME_LIVE_P (last_mouse_frame
))
3823 /* If mouse was grabbed on a frame, give coords for that frame
3824 even if the mouse is now outside it. */
3825 f1
= last_mouse_frame
;
3829 /* Is window under mouse one of our frames? */
3830 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3831 WindowFromPoint (pt
));
3834 /* If not, is it one of our scroll bars? */
3837 struct scroll_bar
*bar
3838 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3842 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3846 if (f1
== 0 && insist
> 0)
3847 f1
= SELECTED_FRAME ();
3851 /* Ok, we found a frame. Store all the values.
3852 last_mouse_glyph is a rectangle used to reduce the
3853 generation of mouse events. To not miss any motion
3854 events, we must divide the frame into rectangles of the
3855 size of the smallest character that could be displayed
3856 on it, i.e. into the same rectangles that matrices on
3857 the frame are divided into. */
3859 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3860 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3861 last_mouse_glyph_frame
= f1
;
3868 *time
= last_mouse_movement_time
;
3877 /***********************************************************************
3879 ***********************************************************************/
3881 /* Handle mouse button event on the tool-bar of frame F, at
3882 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3886 w32_handle_tool_bar_click (f
, button_event
)
3888 struct input_event
*button_event
;
3890 int x
= XFASTINT (button_event
->x
);
3891 int y
= XFASTINT (button_event
->y
);
3893 if (button_event
->modifiers
& down_modifier
)
3894 handle_tool_bar_click (f
, x
, y
, 1, 0);
3896 handle_tool_bar_click (f
, x
, y
, 0,
3897 button_event
->modifiers
& ~up_modifier
);
3902 /***********************************************************************
3904 ***********************************************************************/
3906 /* Scroll bar support. */
3908 /* Given a window ID, find the struct scroll_bar which manages it.
3909 This can be called in GC, so we have to make sure to strip off mark
3912 static struct scroll_bar
*
3913 x_window_to_scroll_bar (window_id
)
3918 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3920 Lisp_Object frame
, bar
, condemned
;
3922 frame
= XCAR (tail
);
3923 /* All elements of Vframe_list should be frames. */
3924 if (! FRAMEP (frame
))
3927 /* Scan this frame's scroll bar list for a scroll bar with the
3929 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3930 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3931 /* This trick allows us to search both the ordinary and
3932 condemned scroll bar lists with one loop. */
3933 ! NILP (bar
) || (bar
= condemned
,
3936 bar
= XSCROLL_BAR (bar
)->next
)
3937 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3938 return XSCROLL_BAR (bar
);
3946 /* Set the thumb size and position of scroll bar BAR. We are currently
3947 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3950 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3951 struct scroll_bar
*bar
;
3952 int portion
, position
, whole
;
3954 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3955 /* We use the whole scroll-bar height in the calculations below, to
3956 avoid strange effects like scrolling backwards when just clicking
3957 on the handle (without moving it). */
3958 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3959 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3960 int sb_page
, sb_pos
;
3961 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3964 /* We used to change the nPage setting while dragging the handle,
3965 but that had very strange effects (such as scrolling backwards
3966 while dragging downwards).
3968 Now, we don't change the nPage setting while dragging unless we
3969 get near to the end of the buffer, in which case we often have to
3970 resize the handle to "go all the way". */
3976 si
.cbSize
= sizeof (si
);
3977 si
.fMask
= SIF_POS
| SIF_PAGE
;
3978 GetScrollInfo(w
, SB_CTL
, &si
);
3979 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3987 /* Position scroll bar at rock bottom if the bottom of the
3988 buffer is visible. This avoids shinking the thumb away
3989 to nothing if it is held at the bottom of the buffer. */
3990 if (position
+ portion
>= whole
&& !draggingp
)
3992 sb_page
= range
* (whole
- position
) / whole
;
3997 sb_pos
= position
* range
/ whole
;
3998 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
4007 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
4011 si
.cbSize
= sizeof (si
);
4012 si
.fMask
= SIF_PAGE
| SIF_POS
;
4016 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
4022 /************************************************************************
4023 Scroll bars, general
4024 ************************************************************************/
4027 my_create_scrollbar (f
, bar
)
4029 struct scroll_bar
* bar
;
4031 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
4032 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
4036 /*#define ATTACH_THREADS*/
4039 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
4041 #ifndef ATTACH_THREADS
4042 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
4043 (WPARAM
) hwnd
, (LPARAM
) how
);
4045 return ShowWindow (hwnd
, how
);
4050 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
4051 int x
, int y
, int cx
, int cy
, UINT flags
)
4053 #ifndef ATTACH_THREADS
4055 pos
.hwndInsertAfter
= hwndAfter
;
4061 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
4063 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
4068 my_set_focus (f
, hwnd
)
4072 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
4077 my_set_foreground_window (hwnd
)
4080 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
4085 my_destroy_window (f
, hwnd
)
4089 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
4093 /* Create a scroll bar and return the scroll bar vector for it. W is
4094 the Emacs window on which to create the scroll bar. TOP, LEFT,
4095 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
4098 static struct scroll_bar
*
4099 x_scroll_bar_create (w
, top
, left
, width
, height
)
4101 int top
, left
, width
, height
;
4103 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4106 struct scroll_bar
*bar
4107 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
4111 XSETWINDOW (bar
->window
, w
);
4112 XSETINT (bar
->top
, top
);
4113 XSETINT (bar
->left
, left
);
4114 XSETINT (bar
->width
, width
);
4115 XSETINT (bar
->height
, height
);
4116 XSETINT (bar
->start
, 0);
4117 XSETINT (bar
->end
, 0);
4118 bar
->dragging
= Qnil
;
4119 bar
->fringe_extended_p
= Qnil
;
4121 /* Requires geometry to be set before call to create the real window */
4123 hwnd
= my_create_scrollbar (f
, bar
);
4125 si
.cbSize
= sizeof (si
);
4128 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
4129 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4133 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
4135 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
4137 /* Add bar to its frame's list of scroll bars. */
4138 bar
->next
= FRAME_SCROLL_BARS (f
);
4140 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
4141 if (! NILP (bar
->next
))
4142 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
4150 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
4154 x_scroll_bar_remove (bar
)
4155 struct scroll_bar
*bar
;
4157 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4161 /* Destroy the window. */
4162 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
4164 /* Disassociate this scroll bar from its window. */
4165 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
4170 /* Set the handle of the vertical scroll bar for WINDOW to indicate
4171 that we are displaying PORTION characters out of a total of WHOLE
4172 characters, starting at POSITION. If WINDOW has no scroll bar,
4175 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
4177 int portion
, whole
, position
;
4179 struct frame
*f
= XFRAME (w
->frame
);
4180 struct scroll_bar
*bar
;
4181 int top
, height
, left
, sb_left
, width
, sb_width
;
4182 int window_y
, window_height
;
4183 int fringe_extended_p
;
4185 /* Get window dimensions. */
4186 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
4188 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
4189 height
= window_height
;
4191 /* Compute the left edge of the scroll bar area. */
4192 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
4194 /* Compute the width of the scroll bar which might be less than
4195 the width of the area reserved for the scroll bar. */
4196 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
4197 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
4201 /* Compute the left edge of the scroll bar. */
4202 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
4203 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
4205 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
4207 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
4208 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
4209 && WINDOW_LEFT_FRINGE_WIDTH (w
)
4210 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
4211 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
4213 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
4214 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
4215 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
4216 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
4218 /* Does the scroll bar exist yet? */
4219 if (NILP (w
->vertical_scroll_bar
))
4223 if (width
> 0 && height
> 0)
4225 hdc
= get_frame_dc (f
);
4226 if (fringe_extended_p
)
4227 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
4229 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
4230 release_frame_dc (f
, hdc
);
4234 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
4238 /* It may just need to be moved and resized. */
4241 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
4242 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
4244 /* If already correctly positioned, do nothing. */
4245 if ( XINT (bar
->left
) == sb_left
4246 && XINT (bar
->top
) == top
4247 && XINT (bar
->width
) == sb_width
4248 && XINT (bar
->height
) == height
4249 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
4251 /* Redraw after clear_frame. */
4252 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
4253 InvalidateRect (hwnd
, NULL
, FALSE
);
4261 if (width
&& height
)
4263 hdc
= get_frame_dc (f
);
4264 /* Since Windows scroll bars are smaller than the space reserved
4265 for them on the frame, we have to clear "under" them. */
4266 if (fringe_extended_p
)
4267 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
4269 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
4270 release_frame_dc (f
, hdc
);
4272 /* Make sure scroll bar is "visible" before moving, to ensure the
4273 area of the parent window now exposed will be refreshed. */
4274 my_show_window (f
, hwnd
, SW_HIDE
);
4275 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
4276 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
4277 max (height
, 1), TRUE
);
4279 si
.cbSize
= sizeof (si
);
4280 si
.fMask
= SIF_RANGE
;
4282 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
4283 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4285 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
4287 my_show_window (f
, hwnd
, SW_NORMAL
);
4288 /* InvalidateRect (w, NULL, FALSE); */
4290 /* Remember new settings. */
4291 XSETINT (bar
->left
, sb_left
);
4292 XSETINT (bar
->top
, top
);
4293 XSETINT (bar
->width
, sb_width
);
4294 XSETINT (bar
->height
, height
);
4299 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
4301 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
4303 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
4307 /* The following three hooks are used when we're doing a thorough
4308 redisplay of the frame. We don't explicitly know which scroll bars
4309 are going to be deleted, because keeping track of when windows go
4310 away is a real pain - "Can you say set-window-configuration, boys
4311 and girls?" Instead, we just assert at the beginning of redisplay
4312 that *all* scroll bars are to be removed, and then save a scroll bar
4313 from the fiery pit when we actually redisplay its window. */
4315 /* Arrange for all scroll bars on FRAME to be removed at the next call
4316 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
4317 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
4320 w32_condemn_scroll_bars (frame
)
4323 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
4324 while (! NILP (FRAME_SCROLL_BARS (frame
)))
4327 bar
= FRAME_SCROLL_BARS (frame
);
4328 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
4329 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
4330 XSCROLL_BAR (bar
)->prev
= Qnil
;
4331 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
4332 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
4333 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
4338 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
4339 Note that WINDOW isn't necessarily condemned at all. */
4342 w32_redeem_scroll_bar (window
)
4343 struct window
*window
;
4345 struct scroll_bar
*bar
;
4348 /* We can't redeem this window's scroll bar if it doesn't have one. */
4349 if (NILP (window
->vertical_scroll_bar
))
4352 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
4354 /* Unlink it from the condemned list. */
4355 f
= XFRAME (WINDOW_FRAME (window
));
4356 if (NILP (bar
->prev
))
4358 /* If the prev pointer is nil, it must be the first in one of
4360 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
4361 /* It's not condemned. Everything's fine. */
4363 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
4364 window
->vertical_scroll_bar
))
4365 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
4367 /* If its prev pointer is nil, it must be at the front of
4368 one or the other! */
4372 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
4374 if (! NILP (bar
->next
))
4375 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
4377 bar
->next
= FRAME_SCROLL_BARS (f
);
4379 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
4380 if (! NILP (bar
->next
))
4381 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
4384 /* Remove all scroll bars on FRAME that haven't been saved since the
4385 last call to `*condemn_scroll_bars_hook'. */
4388 w32_judge_scroll_bars (f
)
4391 Lisp_Object bar
, next
;
4393 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
4395 /* Clear out the condemned list now so we won't try to process any
4396 more events on the hapless scroll bars. */
4397 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
4399 for (; ! NILP (bar
); bar
= next
)
4401 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
4403 x_scroll_bar_remove (b
);
4406 b
->next
= b
->prev
= Qnil
;
4409 /* Now there should be no references to the condemned scroll bars,
4410 and they should get garbage-collected. */
4413 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4414 is set to something other than NO_EVENT, it is enqueued.
4416 This may be called from a signal handler, so we have to ignore GC
4420 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
4421 struct scroll_bar
*bar
;
4423 struct input_event
*emacs_event
;
4425 if (! WINDOWP (bar
->window
))
4428 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
4429 emacs_event
->code
= 0;
4430 /* not really meaningful to distinguish up/down */
4431 emacs_event
->modifiers
= msg
->dwModifiers
;
4432 emacs_event
->frame_or_window
= bar
->window
;
4433 emacs_event
->arg
= Qnil
;
4434 emacs_event
->timestamp
= msg
->msg
.time
;
4437 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4439 int dragging
= !NILP (bar
->dragging
);
4442 si
.cbSize
= sizeof (si
);
4445 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4448 bar
->dragging
= Qnil
;
4451 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4453 switch (LOWORD (msg
->msg
.wParam
))
4456 emacs_event
->part
= scroll_bar_down_arrow
;
4459 emacs_event
->part
= scroll_bar_up_arrow
;
4462 emacs_event
->part
= scroll_bar_above_handle
;
4465 emacs_event
->part
= scroll_bar_below_handle
;
4468 emacs_event
->part
= scroll_bar_handle
;
4472 emacs_event
->part
= scroll_bar_handle
;
4476 case SB_THUMBPOSITION
:
4477 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4478 y
= HIWORD (msg
->msg
.wParam
);
4480 emacs_event
->part
= scroll_bar_handle
;
4482 /* "Silently" update current position. */
4486 si
.cbSize
= sizeof (si
);
4489 /* Remember apparent position (we actually lag behind the real
4490 position, so don't set that directly. */
4491 last_scroll_bar_drag_pos
= y
;
4493 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4497 /* If this is the end of a drag sequence, then reset the scroll
4498 handle size to normal and do a final redraw. Otherwise do
4503 int start
= XINT (bar
->start
);
4504 int end
= XINT (bar
->end
);
4506 si
.cbSize
= sizeof (si
);
4507 si
.fMask
= SIF_PAGE
| SIF_POS
;
4508 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4509 si
.nPos
= last_scroll_bar_drag_pos
;
4510 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4514 emacs_event
->kind
= NO_EVENT
;
4518 XSETINT (emacs_event
->x
, y
);
4519 XSETINT (emacs_event
->y
, top_range
);
4525 /* Return information to the user about the current position of the mouse
4526 on the scroll bar. */
4529 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4531 Lisp_Object
*bar_window
;
4532 enum scroll_bar_part
*part
;
4534 unsigned long *time
;
4536 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4537 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4538 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4540 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4546 *bar_window
= bar
->window
;
4548 si
.cbSize
= sizeof (si
);
4549 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4551 GetScrollInfo (w
, SB_CTL
, &si
);
4553 top_range
= si
.nMax
- si
.nPage
+ 1;
4555 switch (LOWORD (last_mouse_scroll_bar_pos
))
4557 case SB_THUMBPOSITION
:
4559 *part
= scroll_bar_handle
;
4560 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4561 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4564 *part
= scroll_bar_handle
;
4568 *part
= scroll_bar_handle
;
4573 XSETINT (*y
, top_range
);
4576 last_mouse_scroll_bar
= Qnil
;
4578 *time
= last_mouse_movement_time
;
4584 /* The screen has been cleared so we may have changed foreground or
4585 background colors, and the scroll bars may need to be redrawn.
4586 Clear out the scroll bars, and ask for expose events, so we can
4590 x_scroll_bar_clear (f
)
4595 /* We can have scroll bars even if this is 0,
4596 if we just turned off scroll bar mode.
4597 But in that case we should not clear them. */
4598 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4599 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4600 bar
= XSCROLL_BAR (bar
)->next
)
4602 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4603 HDC hdc
= GetDC (window
);
4606 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4607 arranges to refresh the scroll bar if hidden. */
4608 my_show_window (f
, window
, SW_HIDE
);
4610 GetClientRect (window
, &rect
);
4611 select_palette (f
, hdc
);
4612 w32_clear_rect (f
, hdc
, &rect
);
4613 deselect_palette (f
, hdc
);
4615 ReleaseDC (window
, hdc
);
4620 /* The main W32 event-reading loop - w32_read_socket. */
4622 /* Record the last 100 characters stored
4623 to help debug the loss-of-chars-during-GC problem. */
4625 static int temp_index
;
4626 static short temp_buffer
[100];
4628 /* Temporarily store lead byte of DBCS input sequences. */
4629 static char dbcs_lead
= 0;
4631 /* Read events coming from the W32 shell.
4632 This routine is called by the SIGIO handler.
4633 We return as soon as there are no more events to be read.
4635 We return the number of characters stored into the buffer,
4636 thus pretending to be `read'.
4638 EXPECTED is nonzero if the caller knows input is available.
4640 Some of these messages are reposted back to the message queue since the
4641 system calls the windows proc directly in a context where we cannot return
4642 the data nor can we guarantee the state we are in. So if we dispatch them
4643 we will get into an infinite loop. To prevent this from ever happening we
4644 will set a variable to indicate we are in the read_socket call and indicate
4645 which message we are processing since the windows proc gets called
4646 recursively with different messages by the system.
4650 w32_read_socket (sd
, expected
, hold_quit
)
4653 struct input_event
*hold_quit
;
4656 int check_visibility
= 0;
4659 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4661 if (interrupt_input_blocked
)
4663 interrupt_input_pending
= 1;
4667 interrupt_input_pending
= 0;
4670 /* So people can tell when we have read the available input. */
4671 input_signal_count
++;
4673 /* TODO: ghostscript integration. */
4674 while (get_next_msg (&msg
, FALSE
))
4676 struct input_event inev
;
4680 inev
.kind
= NO_EVENT
;
4683 switch (msg
.msg
.message
)
4686 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4690 if (msg
.rect
.right
== msg
.rect
.left
||
4691 msg
.rect
.bottom
== msg
.rect
.top
)
4693 /* We may get paint messages even though the client
4694 area is clipped - these are not expose events. */
4695 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4698 else if (f
->async_visible
!= 1)
4700 /* Definitely not obscured, so mark as visible. */
4701 f
->async_visible
= 1;
4702 f
->async_iconified
= 0;
4703 SET_FRAME_GARBAGED (f
);
4704 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4707 /* WM_PAINT serves as MapNotify as well, so report
4708 visibility changes properly. */
4711 inev
.kind
= DEICONIFY_EVENT
;
4712 XSETFRAME (inev
.frame_or_window
, f
);
4714 else if (! NILP (Vframe_list
)
4715 && ! NILP (XCDR (Vframe_list
)))
4716 /* Force a redisplay sooner or later to update the
4717 frame titles in case this is the second frame. */
4718 record_asynch_buffer_change ();
4722 HDC hdc
= get_frame_dc (f
);
4724 /* Erase background again for safety. */
4725 w32_clear_rect (f
, hdc
, &msg
.rect
);
4726 release_frame_dc (f
, hdc
);
4730 msg
.rect
.right
- msg
.rect
.left
,
4731 msg
.rect
.bottom
- msg
.rect
.top
);
4736 case WM_INPUTLANGCHANGE
:
4737 /* Generate a language change event. */
4738 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4742 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4743 XSETFRAME (inev
.frame_or_window
, f
);
4744 inev
.code
= msg
.msg
.wParam
;
4745 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4751 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4753 if (f
&& !f
->iconified
)
4755 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4756 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4758 clear_mouse_face (dpyinfo
);
4759 dpyinfo
->mouse_face_hidden
= 1;
4762 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4764 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4765 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4766 inev
.code
= msg
.msg
.wParam
;
4767 inev
.modifiers
= msg
.dwModifiers
;
4768 XSETFRAME (inev
.frame_or_window
, f
);
4769 inev
.timestamp
= msg
.msg
.time
;
4776 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4778 if (f
&& !f
->iconified
)
4780 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4781 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4783 clear_mouse_face (dpyinfo
);
4784 dpyinfo
->mouse_face_hidden
= 1;
4787 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4789 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4791 inev
.modifiers
= msg
.dwModifiers
;
4792 XSETFRAME (inev
.frame_or_window
, f
);
4793 inev
.timestamp
= msg
.msg
.time
;
4795 if (msg
.msg
.message
== WM_UNICHAR
)
4797 inev
.code
= msg
.msg
.wParam
;
4799 else if (msg
.msg
.wParam
< 256)
4804 dbcs
[1] = (char) msg
.msg
.wParam
;
4808 dbcs
[0] = dbcs_lead
;
4810 if (!MultiByteToWideChar (CP_ACP
, 0, dbcs
, 2, &code
, 1))
4813 DebPrint (("Invalid DBCS sequence: %d %d\n",
4815 inev
.kind
= NO_EVENT
;
4819 else if (IsDBCSLeadByteEx (CP_ACP
, (BYTE
) msg
.msg
.wParam
))
4821 dbcs_lead
= (char) msg
.msg
.wParam
;
4822 inev
.kind
= NO_EVENT
;
4827 if (!MultiByteToWideChar (CP_ACP
, 0, &dbcs
[1], 1,
4830 /* What to do with garbage? */
4831 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4832 inev
.kind
= NO_EVENT
;
4840 /* Windows shouldn't generate WM_CHAR events above 0xFF
4841 in non-Unicode message handlers. */
4842 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4843 inev
.kind
= NO_EVENT
;
4846 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4847 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4852 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4854 if (f
&& !f
->iconified
)
4856 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4857 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4859 clear_mouse_face (dpyinfo
);
4860 dpyinfo
->mouse_face_hidden
= 1;
4863 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4865 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4866 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4867 inev
.code
= GET_APPCOMMAND_LPARAM(msg
.msg
.lParam
);
4868 inev
.modifiers
= msg
.dwModifiers
;
4869 XSETFRAME (inev
.frame_or_window
, f
);
4870 inev
.timestamp
= msg
.msg
.time
;
4875 /* Ignore non-movement. */
4877 int x
= LOWORD (msg
.msg
.lParam
);
4878 int y
= HIWORD (msg
.msg
.lParam
);
4879 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4881 last_mousemove_x
= x
;
4882 last_mousemove_y
= y
;
4885 previous_help_echo_string
= help_echo_string
;
4886 help_echo_string
= Qnil
;
4888 if (dpyinfo
->grabbed
&& last_mouse_frame
4889 && FRAME_LIVE_P (last_mouse_frame
))
4890 f
= last_mouse_frame
;
4892 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4894 if (dpyinfo
->mouse_face_hidden
)
4896 dpyinfo
->mouse_face_hidden
= 0;
4897 clear_mouse_face (dpyinfo
);
4902 /* Generate SELECT_WINDOW_EVENTs when needed. */
4903 if (!NILP (Vmouse_autoselect_window
))
4906 int x
= LOWORD (msg
.msg
.lParam
);
4907 int y
= HIWORD (msg
.msg
.lParam
);
4909 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4911 /* Window will be selected only when it is not
4912 selected now and last mouse movement event was
4913 not in it. Minibuffer window will be selected
4914 only when it is active. */
4916 && !EQ (window
, last_window
)
4917 && !EQ (window
, selected_window
)
4918 /* For click-to-focus window managers
4919 create event iff we don't leave the
4921 && (focus_follows_mouse
4922 || (EQ (XWINDOW (window
)->frame
,
4923 XWINDOW (selected_window
)->frame
))))
4925 inev
.kind
= SELECT_WINDOW_EVENT
;
4926 inev
.frame_or_window
= window
;
4931 if (!note_mouse_movement (f
, &msg
.msg
))
4932 help_echo_string
= previous_help_echo_string
;
4936 /* If we move outside the frame, then we're
4937 certainly no longer on any text in the frame. */
4938 clear_mouse_face (dpyinfo
);
4941 /* If the contents of the global variable help_echo_string
4942 has changed, generate a HELP_EVENT. */
4943 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4944 But it was originally changed to this to fix a bug, so I have
4945 not removed it completely in case the bug is still there. */
4946 if (help_echo_string
!= previous_help_echo_string
||
4947 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4948 #else /* This is what xterm.c does. */
4949 if (!NILP (help_echo_string
)
4950 || !NILP (previous_help_echo_string
))
4955 case WM_LBUTTONDOWN
:
4957 case WM_MBUTTONDOWN
:
4959 case WM_RBUTTONDOWN
:
4961 case WM_XBUTTONDOWN
:
4964 /* If we decide we want to generate an event to be seen
4965 by the rest of Emacs, we put it here. */
4970 if (dpyinfo
->grabbed
&& last_mouse_frame
4971 && FRAME_LIVE_P (last_mouse_frame
))
4972 f
= last_mouse_frame
;
4974 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4978 construct_mouse_click (&inev
, &msg
, f
);
4980 /* Is this in the tool-bar? */
4981 if (WINDOWP (f
->tool_bar_window
)
4982 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4985 int x
= XFASTINT (inev
.x
);
4986 int y
= XFASTINT (inev
.y
);
4988 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4990 if (EQ (window
, f
->tool_bar_window
))
4992 w32_handle_tool_bar_click (f
, &inev
);
4998 || (dpyinfo
->w32_focus_frame
4999 && f
!= dpyinfo
->w32_focus_frame
))
5000 inev
.kind
= NO_EVENT
;
5003 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
5008 dpyinfo
->grabbed
&= ~ (1 << button
);
5012 dpyinfo
->grabbed
|= (1 << button
);
5013 last_mouse_frame
= f
;
5014 /* Ignore any mouse motion that happened
5015 before this event; any subsequent mouse-movement
5016 Emacs events should reflect only motion after
5022 last_tool_bar_item
= -1;
5028 case WM_MOUSEHWHEEL
:
5030 if (dpyinfo
->grabbed
&& last_mouse_frame
5031 && FRAME_LIVE_P (last_mouse_frame
))
5032 f
= last_mouse_frame
;
5034 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5039 if (!dpyinfo
->w32_focus_frame
5040 || f
== dpyinfo
->w32_focus_frame
)
5042 /* Emit an Emacs wheel-up/down event. */
5043 construct_mouse_wheel (&inev
, &msg
, f
);
5045 /* Ignore any mouse motion that happened before this
5046 event; any subsequent mouse-movement Emacs events
5047 should reflect only motion after the
5051 last_mouse_frame
= f
;
5052 last_tool_bar_item
= -1;
5057 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5060 construct_drag_n_drop (&inev
, &msg
, f
);
5065 struct scroll_bar
*bar
=
5066 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
5069 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
5073 case WM_WINDOWPOSCHANGED
:
5074 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5077 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
5078 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
5080 check_visibility
= 1;
5084 case WM_ACTIVATEAPP
:
5085 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5087 x_check_fullscreen (f
);
5088 check_visibility
= 1;
5092 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5094 if (f
&& !f
->async_iconified
)
5098 x_real_positions (f
, &x
, &y
);
5103 check_visibility
= 1;
5107 /* wParam non-zero means Window is about to be shown, 0 means
5108 about to be hidden. */
5109 /* Redo the mouse-highlight after the tooltip has gone. */
5110 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
5113 redo_mouse_highlight ();
5116 /* If window has been obscured or exposed by another window
5117 being maximised or minimised/restored, then recheck
5118 visibility of all frames. Direct changes to our own
5119 windows get handled by WM_SIZE. */
5121 if (msg
.msg
.lParam
!= 0)
5122 check_visibility
= 1;
5125 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5126 f
->async_visible
= msg
.msg
.wParam
;
5130 check_visibility
= 1;
5134 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5136 /* Inform lisp of whether frame has been iconified etc. */
5139 switch (msg
.msg
.wParam
)
5141 case SIZE_MINIMIZED
:
5142 f
->async_visible
= 0;
5143 f
->async_iconified
= 1;
5145 inev
.kind
= ICONIFY_EVENT
;
5146 XSETFRAME (inev
.frame_or_window
, f
);
5149 case SIZE_MAXIMIZED
:
5151 f
->async_visible
= 1;
5152 f
->async_iconified
= 0;
5154 /* wait_reading_process_output will notice this and update
5155 the frame's display structures. */
5156 SET_FRAME_GARBAGED (f
);
5162 /* Reset top and left positions of the Window
5163 here since Windows sends a WM_MOVE message
5164 BEFORE telling us the Window is minimized
5165 when the Window is iconified, with 3000,3000
5167 x_real_positions (f
, &x
, &y
);
5171 inev
.kind
= DEICONIFY_EVENT
;
5172 XSETFRAME (inev
.frame_or_window
, f
);
5174 else if (! NILP (Vframe_list
)
5175 && ! NILP (XCDR (Vframe_list
)))
5176 /* Force a redisplay sooner or later
5177 to update the frame titles
5178 in case this is the second frame. */
5179 record_asynch_buffer_change ();
5184 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
5192 GetClientRect (msg
.msg
.hwnd
, &rect
);
5194 height
= rect
.bottom
- rect
.top
;
5195 width
= rect
.right
- rect
.left
;
5197 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
5198 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
5200 /* TODO: Clip size to the screen dimensions. */
5202 /* Even if the number of character rows and columns has
5203 not changed, the font size may have changed, so we need
5204 to check the pixel dimensions as well. */
5206 if (columns
!= FRAME_COLS (f
)
5207 || rows
!= FRAME_LINES (f
)
5208 || width
!= FRAME_PIXEL_WIDTH (f
)
5209 || height
!= FRAME_PIXEL_HEIGHT (f
))
5211 change_frame_size (f
, rows
, columns
, 0, 1, 0);
5212 SET_FRAME_GARBAGED (f
);
5213 cancel_mouse_face (f
);
5214 FRAME_PIXEL_WIDTH (f
) = width
;
5215 FRAME_PIXEL_HEIGHT (f
) = height
;
5216 f
->win_gravity
= NorthWestGravity
;
5220 check_visibility
= 1;
5224 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5227 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5229 /* If we move outside the frame, then we're
5230 certainly no longer on any text in the frame. */
5231 clear_mouse_face (dpyinfo
);
5232 dpyinfo
->mouse_face_mouse_frame
= 0;
5235 /* Generate a nil HELP_EVENT to cancel a help-echo.
5236 Do it only if there's something to cancel.
5237 Otherwise, the startup message is cleared when
5238 the mouse leaves the frame. */
5239 if (any_help_event_p
)
5245 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
5247 dpyinfo
->grabbed
= 0;
5248 check_visibility
= 1;
5252 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5256 if (f
== dpyinfo
->w32_focus_event_frame
)
5257 dpyinfo
->w32_focus_event_frame
= 0;
5259 if (f
== dpyinfo
->w32_focus_frame
)
5260 x_new_focus_frame (dpyinfo
, 0);
5262 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5264 /* If we move outside the frame, then we're
5265 certainly no longer on any text in the frame. */
5266 clear_mouse_face (dpyinfo
);
5267 dpyinfo
->mouse_face_mouse_frame
= 0;
5270 /* Generate a nil HELP_EVENT to cancel a help-echo.
5271 Do it only if there's something to cancel.
5272 Otherwise, the startup message is cleared when
5273 the mouse leaves the frame. */
5274 if (any_help_event_p
)
5278 dpyinfo
->grabbed
= 0;
5279 check_visibility
= 1;
5283 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5287 inev
.kind
= DELETE_WINDOW_EVENT
;
5288 XSETFRAME (inev
.frame_or_window
, f
);
5293 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5297 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
5298 XSETFRAME (inev
.frame_or_window
, f
);
5303 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5307 extern void menubar_selection_callback
5308 (FRAME_PTR f
, void * client_data
);
5309 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
5312 check_visibility
= 1;
5315 case WM_DISPLAYCHANGE
:
5316 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5320 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
5321 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
5322 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
5323 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
5327 check_visibility
= 1;
5331 /* Check for messages registered at runtime. */
5332 if (msg
.msg
.message
== msh_mousewheel
)
5334 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
5335 msg
.msg
.message
= WM_MOUSEWHEEL
;
5341 if (inev
.kind
!= NO_EVENT
)
5343 kbd_buffer_store_event_hold (&inev
, hold_quit
);
5348 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
5353 XSETFRAME (frame
, f
);
5359 if (NILP (help_echo_string
))
5361 help_echo_object
= help_echo_window
= Qnil
;
5365 any_help_event_p
= 1;
5366 gen_help_event (help_echo_string
, frame
, help_echo_window
,
5367 help_echo_object
, help_echo_pos
);
5371 help_echo_string
= Qnil
;
5372 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
5378 /* If the focus was just given to an autoraising frame,
5380 /* ??? This ought to be able to handle more than one such frame. */
5381 if (pending_autoraise_frame
)
5383 x_raise_frame (pending_autoraise_frame
);
5384 pending_autoraise_frame
= 0;
5387 /* Check which frames are still visisble, if we have enqueued any user
5388 events or been notified of events that may affect visibility. We
5389 do this here because there doesn't seem to be any direct
5390 notification from Windows that the visibility of a window has
5391 changed (at least, not in all cases). */
5392 if (count
> 0 || check_visibility
)
5394 Lisp_Object tail
, frame
;
5396 FOR_EACH_FRAME (tail
, frame
)
5398 FRAME_PTR f
= XFRAME (frame
);
5399 /* The tooltip has been drawn already. Avoid the
5400 SET_FRAME_GARBAGED below. */
5401 if (EQ (frame
, tip_frame
))
5404 /* Check "visible" frames and mark each as obscured or not.
5405 Note that async_visible is nonzero for unobscured and
5406 obscured frames, but zero for hidden and iconified frames. */
5407 if (FRAME_W32_P (f
) && f
->async_visible
)
5413 /* Query clipping rectangle for the entire window area
5414 (GetWindowDC), not just the client portion (GetDC).
5415 Otherwise, the scrollbars and menubar aren't counted as
5416 part of the visible area of the frame, and we may think
5417 the frame is obscured when really a scrollbar is still
5418 visible and gets WM_PAINT messages above. */
5419 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5420 GetClipBox (hdc
, &clipbox
);
5421 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5424 if (clipbox
.right
== clipbox
.left
5425 || clipbox
.bottom
== clipbox
.top
)
5427 /* Frame has become completely obscured so mark as
5428 such (we do this by setting async_visible to 2 so
5429 that FRAME_VISIBLE_P is still true, but redisplay
5431 f
->async_visible
= 2;
5433 if (!FRAME_OBSCURED_P (f
))
5435 DebPrint (("frame %p (%s) obscured\n", f
,
5441 /* Frame is not obscured, so mark it as such. */
5442 f
->async_visible
= 1;
5444 if (FRAME_OBSCURED_P (f
))
5446 SET_FRAME_GARBAGED (f
);
5447 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
5450 /* Force a redisplay sooner or later. */
5451 record_asynch_buffer_change ();
5464 /***********************************************************************
5466 ***********************************************************************/
5468 /* Set clipping for output in glyph row ROW. W is the window in which
5469 we operate. GC is the graphics context to set clipping in.
5471 ROW may be a text row or, e.g., a mode line. Text rows must be
5472 clipped to the interior of the window dedicated to text display,
5473 mode lines must be clipped to the whole window. */
5476 w32_clip_to_row (w
, row
, area
, hdc
)
5478 struct glyph_row
*row
;
5482 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5484 int window_x
, window_y
, window_width
;
5486 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5488 clip_rect
.left
= window_x
;
5489 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5490 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5491 clip_rect
.right
= clip_rect
.left
+ window_width
;
5492 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5494 w32_set_clip_rectangle (hdc
, &clip_rect
);
5498 /* Draw a hollow box cursor on window W in glyph row ROW. */
5501 x_draw_hollow_cursor (w
, row
)
5503 struct glyph_row
*row
;
5505 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5509 struct glyph
*cursor_glyph
;
5510 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5512 /* Get the glyph the cursor is on. If we can't tell because
5513 the current matrix is invalid or such, give up. */
5514 cursor_glyph
= get_phys_cursor_glyph (w
);
5515 if (cursor_glyph
== NULL
)
5518 /* Compute frame-relative coordinates for phys cursor. */
5519 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5522 rect
.bottom
= rect
.top
+ h
;
5523 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5525 hdc
= get_frame_dc (f
);
5526 /* Set clipping, draw the rectangle, and reset clipping again. */
5527 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5528 FrameRect (hdc
, &rect
, hb
);
5530 w32_set_clip_rectangle (hdc
, NULL
);
5531 release_frame_dc (f
, hdc
);
5535 /* Draw a bar cursor on window W in glyph row ROW.
5537 Implementation note: One would like to draw a bar cursor with an
5538 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5539 Unfortunately, I didn't find a font yet that has this property set.
5543 x_draw_bar_cursor (w
, row
, width
, kind
)
5545 struct glyph_row
*row
;
5547 enum text_cursor_kinds kind
;
5549 struct frame
*f
= XFRAME (w
->frame
);
5550 struct glyph
*cursor_glyph
;
5554 /* If cursor is out of bounds, don't draw garbage. This can happen
5555 in mini-buffer windows when switching between echo area glyphs
5557 cursor_glyph
= get_phys_cursor_glyph (w
);
5558 if (cursor_glyph
== NULL
)
5561 /* If on an image, draw like a normal cursor. That's usually better
5562 visible than drawing a bar, esp. if the image is large so that
5563 the bar might not be in the window. */
5564 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5566 struct glyph_row
*row
;
5567 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5568 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5572 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5573 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5575 /* If the glyph's background equals the color we normally draw
5576 the bar cursor in, the bar cursor in its normal color is
5577 invisible. Use the glyph's foreground color instead in this
5578 case, on the assumption that the glyph's colors are chosen so
5579 that the glyph is legible. */
5580 if (face
->background
== cursor_color
)
5581 cursor_color
= face
->foreground
;
5583 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5586 width
= FRAME_CURSOR_WIDTH (f
);
5587 width
= min (cursor_glyph
->pixel_width
, width
);
5589 w
->phys_cursor_width
= width
;
5592 hdc
= get_frame_dc (f
);
5593 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5595 if (kind
== BAR_CURSOR
)
5597 w32_fill_area (f
, hdc
, cursor_color
, x
,
5598 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5599 width
, row
->height
);
5603 w32_fill_area (f
, hdc
, cursor_color
, x
,
5604 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5605 row
->height
- width
),
5606 cursor_glyph
->pixel_width
, width
);
5609 w32_set_clip_rectangle (hdc
, NULL
);
5610 release_frame_dc (f
, hdc
);
5615 /* RIF: Define cursor CURSOR on frame F. */
5618 w32_define_frame_cursor (f
, cursor
)
5622 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5626 /* RIF: Clear area on frame F. */
5629 w32_clear_frame_area (f
, x
, y
, width
, height
)
5631 int x
, y
, width
, height
;
5635 hdc
= get_frame_dc (f
);
5636 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5637 release_frame_dc (f
, hdc
);
5640 /* RIF: Draw or clear cursor on window W. */
5643 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5645 struct glyph_row
*glyph_row
;
5647 int cursor_type
, cursor_width
;
5652 /* If the user wants to use the system caret, make sure our own
5653 cursor remains invisible. */
5654 if (w32_use_visible_system_caret
)
5656 /* Call to erase_phys_cursor here seems to use the
5657 wrong values of w->phys_cursor, as they have been
5658 overwritten before this function was called. */
5659 if (w
->phys_cursor_type
!= NO_CURSOR
)
5660 erase_phys_cursor (w
);
5662 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5663 w
->phys_cursor_width
= -1;
5667 w
->phys_cursor_type
= cursor_type
;
5670 w
->phys_cursor_on_p
= 1;
5672 /* If this is the active cursor, we need to track it with the
5673 system caret, so third party software like screen magnifiers
5674 and speech synthesizers can follow the cursor. */
5677 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5678 HWND hwnd
= FRAME_W32_WINDOW (f
);
5681 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5683 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5684 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5686 /* If the size of the active cursor changed, destroy the old
5688 if (w32_system_caret_hwnd
5689 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5690 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5692 w32_system_caret_height
= w
->phys_cursor_height
;
5694 /* Move the system caret. */
5695 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5698 if (glyph_row
->exact_window_width_line_p
5699 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5701 glyph_row
->cursor_in_fringe_p
= 1;
5702 draw_fringe_bitmap (w
, glyph_row
, 0);
5706 switch (cursor_type
)
5708 case HOLLOW_BOX_CURSOR
:
5709 x_draw_hollow_cursor (w
, glyph_row
);
5712 case FILLED_BOX_CURSOR
:
5713 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5717 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5721 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5725 w
->phys_cursor_width
= 0;
5739 x_bitmap_icon (f
, icon
)
5744 HANDLE small_icon
= NULL
;
5746 if (FRAME_W32_WINDOW (f
) == 0)
5750 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5751 else if (STRINGP (icon
))
5753 /* Load the main icon from the named file. */
5754 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5755 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5756 /* Try to load a small icon to go with it. */
5757 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5758 GetSystemMetrics (SM_CXSMICON
),
5759 GetSystemMetrics (SM_CYSMICON
),
5762 else if (SYMBOLP (icon
))
5766 if (EQ (icon
, intern ("application")))
5767 name
= (LPCTSTR
) IDI_APPLICATION
;
5768 else if (EQ (icon
, intern ("hand")))
5769 name
= (LPCTSTR
) IDI_HAND
;
5770 else if (EQ (icon
, intern ("question")))
5771 name
= (LPCTSTR
) IDI_QUESTION
;
5772 else if (EQ (icon
, intern ("exclamation")))
5773 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5774 else if (EQ (icon
, intern ("asterisk")))
5775 name
= (LPCTSTR
) IDI_ASTERISK
;
5776 else if (EQ (icon
, intern ("winlogo")))
5777 name
= (LPCTSTR
) IDI_WINLOGO
;
5781 main_icon
= LoadIcon (NULL
, name
);
5786 if (main_icon
== NULL
)
5789 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5790 (LPARAM
) main_icon
);
5792 /* If there is a small icon that goes with it, set that too. */
5794 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5795 (LPARAM
) small_icon
);
5801 /************************************************************************
5803 ************************************************************************/
5805 /* Display Error Handling functions not used on W32. Listing them here
5806 helps diff stay in step when comparing w32term.c with xterm.c.
5808 x_error_catcher (display, error)
5809 x_catch_errors (dpy)
5810 x_catch_errors_unwind (old_val)
5811 x_check_errors (dpy, format)
5812 x_fully_uncatch_errors ()
5813 x_catching_errors ()
5814 x_had_errors_p (dpy)
5815 x_clear_errors (dpy)
5816 x_uncatch_errors (dpy, count)
5818 x_connection_signal (signalnum)
5819 x_connection_closed (dpy, error_message)
5820 x_error_quitter (display, error)
5821 x_error_handler (display, error)
5822 x_io_error_quitter (display)
5827 /* Changing the font of the frame. */
5829 /* Give frame F the font named FONTNAME as its default font, and
5830 return the full name of that font. FONTNAME may be a wildcard
5831 pattern; in that case, we choose some font that fits the pattern.
5832 The return value shows which font we chose. */
5835 x_new_font (f
, fontname
)
5837 register char *fontname
;
5839 struct font_info
*fontp
5840 = FS_LOAD_FONT (f
, fontname
);
5845 if (FRAME_FONT (f
) == (XFontStruct
*) (fontp
->font
))
5846 /* This font is already set in frame F. There's nothing more to
5848 return build_string (fontp
->full_name
);
5850 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5851 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5852 FRAME_FONTSET (f
) = -1;
5854 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5855 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5856 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5858 compute_fringe_widths (f
, 1);
5860 /* Compute the scroll bar width in character columns. */
5861 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5863 int wid
= FRAME_COLUMN_WIDTH (f
);
5864 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5865 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5869 int wid
= FRAME_COLUMN_WIDTH (f
);
5870 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5873 /* Now make the frame display the given font. */
5874 if (FRAME_W32_WINDOW (f
) != 0)
5876 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5877 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5880 return build_string (fontp
->full_name
);
5883 /* Give frame F the fontset named FONTSETNAME as its default fontset,
5884 and return the full name of that fontset. FONTSETNAME may be a
5885 wildcard pattern; in that case, we choose some fontset that fits
5886 the pattern. FONTSETNAME may be a font name for ASCII characters;
5887 in that case, we create a fontset from that font name.
5889 The return value shows which fontset we chose.
5890 If FONTSETNAME specifies the default fontset, return Qt.
5891 If an ASCII font in the specified fontset can't be loaded, return
5895 x_new_fontset (f
, fontsetname
)
5897 Lisp_Object fontsetname
;
5899 int fontset
= fs_query_fontset (fontsetname
, 0);
5902 if (fontset
> 0 && FRAME_FONTSET(f
) == fontset
)
5903 /* This fontset is already set in frame F. There's nothing more
5905 return fontset_name (fontset
);
5906 else if (fontset
== 0)
5907 /* The default fontset can't be the default font. */
5911 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5913 result
= x_new_font (f
, SDATA (fontsetname
));
5915 if (!STRINGP (result
))
5916 /* Can't load ASCII font. */
5920 fontset
= new_fontset_from_font_name (result
);
5922 /* Since x_new_font doesn't update any fontset information, do it now. */
5923 FRAME_FONTSET(f
) = fontset
;
5925 return fontset_name (fontset
);
5928 #ifdef USE_FONT_BACKEND
5930 x_new_fontset2 (f
, fontset
, font_object
)
5933 Lisp_Object font_object
;
5935 struct font
*font
= XSAVE_VALUE (font_object
)->pointer
;
5937 if (FRAME_FONT_OBJECT (f
) == font
)
5938 /* This font is already set in frame F. There's nothing more to
5940 return fontset_name (fontset
);
5944 FRAME_FONT_OBJECT (f
) = font
;
5945 FRAME_FONT (f
) = font
->font
.font
;
5946 FRAME_BASELINE_OFFSET (f
) = font
->font
.baseline_offset
;
5947 FRAME_FONTSET (f
) = fontset
;
5949 FRAME_COLUMN_WIDTH (f
) = font
->font
.average_width
;
5950 FRAME_SPACE_WIDTH (f
) = font
->font
.space_width
;
5951 FRAME_LINE_HEIGHT (f
) = font
->font
.height
;
5953 compute_fringe_widths (f
, 1);
5955 /* Compute the scroll bar width in character columns. */
5956 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5958 int wid
= FRAME_COLUMN_WIDTH (f
);
5959 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5960 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5964 int wid
= FRAME_COLUMN_WIDTH (f
);
5965 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5968 /* Now make the frame display the given font. */
5969 if (FRAME_X_WINDOW (f
) != 0)
5971 /* Don't change the size of a tip frame; there's no point in
5972 doing it because it's done in Fx_show_tip, and it leads to
5973 problems because the tip frame has no widget. */
5974 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5975 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5980 && (FRAME_XIC_STYLE (f
) & (XIMPreeditPosition
| XIMStatusArea
)))
5981 xic_set_xfontset (f
, SDATA (fontset_ascii (fontset
)));
5986 return fontset_name (fontset
);
5988 #endif /* USE_FONT_BACKEND */
5991 /***********************************************************************
5992 TODO: W32 Input Methods
5993 ***********************************************************************/
5994 /* Listing missing functions from xterm.c helps diff stay in step.
5996 xim_destroy_callback (xim, client_data, call_data)
5997 xim_open_dpy (dpyinfo, resource_name)
5999 xim_instantiate_callback (display, client_data, call_data)
6000 xim_initialize (dpyinfo, resource_name)
6001 xim_close_dpy (dpyinfo)
6006 /* Calculate the absolute position in frame F
6007 from its current recorded position values and gravity. */
6010 x_calc_absolute_position (f
)
6013 int flags
= f
->size_hint_flags
;
6015 /* The sum of the widths of the frame's left and right borders, and
6016 the sum of the heights of the frame's top and bottom borders (in
6017 pixels) drawn by Windows. */
6018 unsigned int left_right_borders_width
, top_bottom_borders_height
;
6020 /* Try to get the actual values of these two variables. We compute
6021 the border width (height) by subtracting the width (height) of
6022 the frame's client area from the width (height) of the frame's
6024 WINDOWPLACEMENT wp
= { 0 };
6025 RECT client_rect
= { 0 };
6027 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
6028 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
6030 left_right_borders_width
=
6031 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
6032 (client_rect
.right
- client_rect
.left
);
6034 top_bottom_borders_height
=
6035 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
6036 (client_rect
.bottom
- client_rect
.top
);
6040 /* Use sensible default values. */
6041 left_right_borders_width
= 8;
6042 top_bottom_borders_height
= 32;
6045 /* Treat negative positions as relative to the rightmost bottommost
6046 position that fits on the screen. */
6047 if (flags
& XNegative
)
6048 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
6049 - FRAME_PIXEL_WIDTH (f
)
6051 - (left_right_borders_width
- 1));
6053 if (flags
& YNegative
)
6054 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
6055 - FRAME_PIXEL_HEIGHT (f
)
6057 - (top_bottom_borders_height
- 1));
6059 /* The left_pos and top_pos are now relative to the top and left
6060 screen edges, so the flags should correspond. */
6061 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
6064 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
6065 to really change the position, and 0 when calling from
6066 x_make_frame_visible (in that case, XOFF and YOFF are the current
6067 position values). It is -1 when calling from x_set_frame_parameters,
6068 which means, do adjust for borders but don't change the gravity. */
6071 x_set_offset (f
, xoff
, yoff
, change_gravity
)
6073 register int xoff
, yoff
;
6076 int modified_top
, modified_left
;
6078 if (change_gravity
> 0)
6082 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
6084 f
->size_hint_flags
|= XNegative
;
6086 f
->size_hint_flags
|= YNegative
;
6087 f
->win_gravity
= NorthWestGravity
;
6089 x_calc_absolute_position (f
);
6092 x_wm_set_size_hint (f
, (long) 0, 0);
6094 modified_left
= f
->left_pos
;
6095 modified_top
= f
->top_pos
;
6097 my_set_window_pos (FRAME_W32_WINDOW (f
),
6099 modified_left
, modified_top
,
6101 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
6106 /* Check if we need to resize the frame due to a fullscreen request.
6107 If so needed, resize the frame. */
6109 x_check_fullscreen (f
)
6112 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
6114 int width
, height
, ign
;
6116 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
6118 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
6120 /* We do not need to move the window, it shall be taken care of
6121 when setting WM manager hints. */
6122 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
6124 change_frame_size (f
, height
, width
, 0, 1, 0);
6125 SET_FRAME_GARBAGED (f
);
6126 cancel_mouse_face (f
);
6128 /* Wait for the change of frame size to occur */
6129 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
6134 /* Call this to change the size of frame F's x-window.
6135 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
6136 for this size change and subsequent size changes.
6137 Otherwise we leave the window gravity unchanged. */
6140 x_set_window_size (f
, change_gravity
, cols
, rows
)
6145 int pixelwidth
, pixelheight
;
6149 check_frame_size (f
, &rows
, &cols
);
6150 f
->scroll_bar_actual_width
6151 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
6153 compute_fringe_widths (f
, 0);
6155 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
6156 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
6158 f
->win_gravity
= NorthWestGravity
;
6159 x_wm_set_size_hint (f
, (long) 0, 0);
6164 rect
.left
= rect
.top
= 0;
6165 rect
.right
= pixelwidth
;
6166 rect
.bottom
= pixelheight
;
6168 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
6169 FRAME_EXTERNAL_MENU_BAR (f
));
6171 my_set_window_pos (FRAME_W32_WINDOW (f
),
6174 rect
.right
- rect
.left
,
6175 rect
.bottom
- rect
.top
,
6176 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
6180 /* The following mirrors what is done in xterm.c. It appears to be
6181 for informing lisp of the new size immediately, while the actual
6182 resize will happen asynchronously. But on Windows, the menu bar
6183 automatically wraps when the frame is too narrow to contain it,
6184 and that causes any calculations made here to come out wrong. The
6185 end is some nasty buggy behaviour, including the potential loss
6188 Disabling this code is either not sufficient to fix the problems
6189 completely, or it causes fresh problems, but at least it removes
6190 the most problematic symptom of the minibuffer becoming unusable.
6192 -----------------------------------------------------------------
6194 Now, strictly speaking, we can't be sure that this is accurate,
6195 but the window manager will get around to dealing with the size
6196 change request eventually, and we'll hear how it went when the
6197 ConfigureNotify event gets here.
6199 We could just not bother storing any of this information here,
6200 and let the ConfigureNotify event set everything up, but that
6201 might be kind of confusing to the Lisp code, since size changes
6202 wouldn't be reported in the frame parameters until some random
6203 point in the future when the ConfigureNotify event arrives.
6205 We pass 1 for DELAY since we can't run Lisp code inside of
6207 change_frame_size (f
, rows
, cols
, 0, 1, 0);
6208 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
6209 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
6211 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
6212 receive in the ConfigureNotify event; if we get what we asked
6213 for, then the event won't cause the screen to become garbaged, so
6214 we have to make sure to do it here. */
6215 SET_FRAME_GARBAGED (f
);
6217 /* If cursor was outside the new size, mark it as off. */
6218 mark_window_cursors_off (XWINDOW (f
->root_window
));
6220 /* Clear out any recollection of where the mouse highlighting was,
6221 since it might be in a place that's outside the new frame size.
6222 Actually checking whether it is outside is a pain in the neck,
6223 so don't try--just let the highlighting be done afresh with new size. */
6224 cancel_mouse_face (f
);
6230 /* Mouse warping. */
6232 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
6235 x_set_mouse_position (f
, x
, y
)
6241 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
6242 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
6244 if (pix_x
< 0) pix_x
= 0;
6245 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
6247 if (pix_y
< 0) pix_y
= 0;
6248 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
6250 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
6254 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
6263 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
6264 pt
.x
= rect
.left
+ pix_x
;
6265 pt
.y
= rect
.top
+ pix_y
;
6266 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
6268 SetCursorPos (pt
.x
, pt
.y
);
6274 /* focus shifting, raising and lowering. */
6277 x_focus_on_frame (f
)
6280 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6282 /* Give input focus to frame. */
6285 /* Try not to change its Z-order if possible. */
6286 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
6287 my_set_focus (f
, FRAME_W32_WINDOW (f
));
6290 my_set_foreground_window (FRAME_W32_WINDOW (f
));
6300 /* Raise frame F. */
6307 /* Strictly speaking, raise-frame should only change the frame's Z
6308 order, leaving input focus unchanged. This is reasonable behaviour
6309 on X where the usual policy is point-to-focus. However, this
6310 behaviour would be very odd on Windows where the usual policy is
6313 On X, if the mouse happens to be over the raised frame, it gets
6314 input focus anyway (so the window with focus will never be
6315 completely obscured) - if not, then just moving the mouse over it
6316 is sufficient to give it focus. On Windows, the user must actually
6317 click on the frame (preferrably the title bar so as not to move
6318 point), which is more awkward. Also, no other Windows program
6319 raises a window to the top but leaves another window (possibly now
6320 completely obscured) with input focus.
6322 Because there is a system setting on Windows that allows the user
6323 to choose the point to focus policy, we make the strict semantics
6324 optional, but by default we grab focus when raising. */
6326 if (NILP (Vw32_grab_focus_on_raise
))
6328 /* The obvious call to my_set_window_pos doesn't work if Emacs is
6329 not already the foreground application: the frame is raised
6330 above all other frames belonging to us, but not above the
6331 current top window. To achieve that, we have to resort to this
6332 more cumbersome method. */
6334 HDWP handle
= BeginDeferWindowPos (2);
6337 DeferWindowPos (handle
,
6338 FRAME_W32_WINDOW (f
),
6341 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
6343 DeferWindowPos (handle
,
6344 GetForegroundWindow (),
6345 FRAME_W32_WINDOW (f
),
6347 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
6349 EndDeferWindowPos (handle
);
6354 my_set_foreground_window (FRAME_W32_WINDOW (f
));
6360 /* Lower frame F. */
6366 my_set_window_pos (FRAME_W32_WINDOW (f
),
6369 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
6374 w32_frame_raise_lower (f
, raise_flag
)
6378 if (! FRAME_W32_P (f
))
6387 /* Change of visibility. */
6389 /* This tries to wait until the frame is really visible.
6390 However, if the window manager asks the user where to position
6391 the frame, this will return before the user finishes doing that.
6392 The frame will not actually be visible at that time,
6393 but it will become visible later when the window manager
6394 finishes with it. */
6397 x_make_frame_visible (f
)
6404 type
= x_icon_type (f
);
6406 x_bitmap_icon (f
, type
);
6408 if (! FRAME_VISIBLE_P (f
))
6410 /* We test FRAME_GARBAGED_P here to make sure we don't
6411 call x_set_offset a second time
6412 if we get to x_make_frame_visible a second time
6413 before the window gets really visible. */
6414 if (! FRAME_ICONIFIED_P (f
)
6415 && ! f
->output_data
.w32
->asked_for_visible
)
6420 /* Adjust vertical window position in order to avoid being
6421 covered by a task bar placed at the bottom of the desktop. */
6422 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
6423 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
6424 if (window_rect
.bottom
> workarea_rect
.bottom
6425 && window_rect
.top
> workarea_rect
.top
)
6426 f
->top_pos
= max (window_rect
.top
6427 - window_rect
.bottom
+ workarea_rect
.bottom
,
6430 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
6433 f
->output_data
.w32
->asked_for_visible
= 1;
6435 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
6436 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
6439 /* Synchronize to ensure Emacs knows the frame is visible
6440 before we do anything else. We do this loop with input not blocked
6441 so that incoming events are handled. */
6446 /* This must come after we set COUNT. */
6449 XSETFRAME (frame
, f
);
6451 /* Wait until the frame is visible. Process X events until a
6452 MapNotify event has been seen, or until we think we won't get a
6453 MapNotify at all.. */
6454 for (count
= input_signal_count
+ 10;
6455 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
6457 /* Force processing of queued events. */
6458 /* TODO: x_sync equivalent? */
6460 /* Machines that do polling rather than SIGIO have been observed
6461 to go into a busy-wait here. So we'll fake an alarm signal
6462 to let the handler know that there's something to be read.
6463 We used to raise a real alarm, but it seems that the handler
6464 isn't always enabled here. This is probably a bug. */
6465 if (input_polling_used ())
6467 /* It could be confusing if a real alarm arrives while processing
6468 the fake one. Turn it off and let the handler reset it. */
6469 int old_poll_suppress_count
= poll_suppress_count
;
6470 poll_suppress_count
= 1;
6471 poll_for_input_1 ();
6472 poll_suppress_count
= old_poll_suppress_count
;
6475 FRAME_SAMPLE_VISIBILITY (f
);
6479 /* Change from mapped state to withdrawn state. */
6481 /* Make the frame visible (mapped and not iconified). */
6483 x_make_frame_invisible (f
)
6486 /* Don't keep the highlight on an invisible frame. */
6487 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6488 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6492 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6494 /* We can't distinguish this from iconification
6495 just by the event that we get from the server.
6496 So we can't win using the usual strategy of letting
6497 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6498 and synchronize with the server to make sure we agree. */
6500 FRAME_ICONIFIED_P (f
) = 0;
6501 f
->async_visible
= 0;
6502 f
->async_iconified
= 0;
6507 /* Change window state from mapped to iconified. */
6515 /* Don't keep the highlight on an invisible frame. */
6516 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6517 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6519 if (f
->async_iconified
)
6524 type
= x_icon_type (f
);
6526 x_bitmap_icon (f
, type
);
6528 /* Simulate the user minimizing the frame. */
6529 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6535 /* Free X resources of frame F. */
6538 x_free_frame_resources (f
)
6541 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6545 #ifdef USE_FONT_BACKEND
6546 /* We must free faces before destroying windows because some
6547 font-driver (e.g. xft) access a window while finishing a
6549 if (enable_font_backend
6550 && FRAME_FACE_CACHE (f
))
6551 free_frame_faces (f
);
6552 #endif /* USE_FONT_BACKEND */
6554 if (FRAME_W32_WINDOW (f
))
6555 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6557 free_frame_menubar (f
);
6559 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6560 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6561 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6562 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6563 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6564 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6565 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6566 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6567 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6568 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6570 if (FRAME_FACE_CACHE (f
))
6571 free_frame_faces (f
);
6573 xfree (f
->output_data
.w32
);
6574 f
->output_data
.w32
= NULL
;
6576 if (f
== dpyinfo
->w32_focus_frame
)
6577 dpyinfo
->w32_focus_frame
= 0;
6578 if (f
== dpyinfo
->w32_focus_event_frame
)
6579 dpyinfo
->w32_focus_event_frame
= 0;
6580 if (f
== dpyinfo
->x_highlight_frame
)
6581 dpyinfo
->x_highlight_frame
= 0;
6583 if (f
== dpyinfo
->mouse_face_mouse_frame
)
6585 dpyinfo
->mouse_face_beg_row
6586 = dpyinfo
->mouse_face_beg_col
= -1;
6587 dpyinfo
->mouse_face_end_row
6588 = dpyinfo
->mouse_face_end_col
= -1;
6589 dpyinfo
->mouse_face_window
= Qnil
;
6590 dpyinfo
->mouse_face_deferred_gc
= 0;
6591 dpyinfo
->mouse_face_mouse_frame
= 0;
6598 /* Destroy the window of frame F. */
6600 x_destroy_window (f
)
6603 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6605 x_free_frame_resources (f
);
6606 dpyinfo
->reference_count
--;
6610 /* Setting window manager hints. */
6612 /* Set the normal size hints for the window manager, for frame F.
6613 FLAGS is the flags word to use--or 0 meaning preserve the flags
6614 that the window now has.
6615 If USER_POSITION is nonzero, we set the USPosition
6616 flag (this is useful when FLAGS is 0). */
6618 x_wm_set_size_hint (f
, flags
, user_position
)
6623 Window window
= FRAME_W32_WINDOW (f
);
6627 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6628 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6629 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6630 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6635 /* Window manager things */
6637 x_wm_set_icon_position (f
, icon_x
, icon_y
)
6642 Window window
= FRAME_W32_WINDOW (f
);
6644 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6645 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6646 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6648 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6653 /***********************************************************************
6655 ***********************************************************************/
6657 /* The following functions are listed here to help diff stay in step
6658 with xterm.c. See w32fns.c for definitions.
6660 x_get_font_info (f, font_idx)
6661 x_list_fonts (f, pattern, size, maxnames)
6667 /* Check that FONT is valid on frame F. It is if it can be found in F's
6671 x_check_font (f
, font
)
6676 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6678 xassert (font
!= NULL
);
6680 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6681 if (dpyinfo
->font_table
[i
].name
6682 && font
== dpyinfo
->font_table
[i
].font
)
6685 xassert (i
< dpyinfo
->n_fonts
);
6688 #endif /* GLYPH_DEBUG != 0 */
6690 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6691 Note: There are (broken) X fonts out there with invalid XFontStruct
6692 min_bounds contents. For example, handa@etl.go.jp reports that
6693 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6694 have font->min_bounds.width == 0. */
6697 x_font_min_bounds (font
, w
, h
)
6702 * TODO: Windows does not appear to offer min bound, only
6703 * average and maximum width, and maximum height.
6705 *h
= FONT_HEIGHT (font
);
6706 *w
= FONT_AVG_WIDTH (font
);
6710 /* Compute the smallest character width and smallest font height over
6711 all fonts available on frame F. Set the members smallest_char_width
6712 and smallest_font_height in F's x_display_info structure to
6713 the values computed. Value is non-zero if smallest_font_height or
6714 smallest_char_width become smaller than they were before. */
6717 x_compute_min_glyph_bounds (f
)
6721 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6723 int old_width
= dpyinfo
->smallest_char_width
;
6724 int old_height
= dpyinfo
->smallest_font_height
;
6726 dpyinfo
->smallest_font_height
= 100000;
6727 dpyinfo
->smallest_char_width
= 100000;
6729 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6730 if (dpyinfo
->font_table
[i
].name
)
6732 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6735 font
= (XFontStruct
*) fontp
->font
;
6736 xassert (font
!= (XFontStruct
*) ~0);
6737 x_font_min_bounds (font
, &w
, &h
);
6739 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6740 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6743 xassert (dpyinfo
->smallest_char_width
> 0
6744 && dpyinfo
->smallest_font_height
> 0);
6746 return (dpyinfo
->n_fonts
== 1
6747 || dpyinfo
->smallest_char_width
< old_width
6748 || dpyinfo
->smallest_font_height
< old_height
);
6751 /* The following functions are listed here to help diff stay in step
6752 with xterm.c. See w32fns.c for definitions.
6754 x_load_font (f, fontname, size)
6755 x_query_font (f, fontname)
6756 x_find_ccl_program (fontp)
6760 /***********************************************************************
6762 ***********************************************************************/
6764 static int w32_initialized
= 0;
6767 w32_initialize_display_info (display_name
)
6768 Lisp_Object display_name
;
6770 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6772 bzero (dpyinfo
, sizeof (*dpyinfo
));
6774 /* Put it on w32_display_name_list. */
6775 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6776 w32_display_name_list
);
6777 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6779 dpyinfo
->w32_id_name
6780 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6781 + SCHARS (Vsystem_name
)
6783 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6784 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6786 /* Default Console mode values - overridden when running in GUI mode
6787 with values obtained from system metrics. */
6790 dpyinfo
->height_in
= 1;
6791 dpyinfo
->width_in
= 1;
6792 dpyinfo
->n_planes
= 1;
6793 dpyinfo
->n_cbits
= 4;
6794 dpyinfo
->n_fonts
= 0;
6795 dpyinfo
->smallest_font_height
= 1;
6796 dpyinfo
->smallest_char_width
= 1;
6798 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6799 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6800 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6801 dpyinfo
->mouse_face_window
= Qnil
;
6802 dpyinfo
->mouse_face_overlay
= Qnil
;
6803 dpyinfo
->mouse_face_hidden
= 0;
6805 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6806 /* TODO: dpyinfo->gray */
6810 /* Create an xrdb-style database of resources to supercede registry settings.
6811 The database is just a concatenation of C strings, finished by an additional
6812 \0. The strings are submitted to some basic normalization, so
6814 [ *]option[ *]:[ *]value...
6820 but any whitespace following value is not removed. */
6823 w32_make_rdb (xrm_option
)
6826 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6827 char *current
= buffer
;
6830 int before_value
= 0;
6844 if (in_option
&& (ch
== ':'))
6849 else if (before_value
)
6854 else if (!(in_option
|| before_value
))
6866 x_flush (struct frame
* f
)
6867 { /* Nothing to do */ }
6870 extern frame_parm_handler w32_frame_parm_handlers
[];
6872 static struct redisplay_interface w32_redisplay_interface
=
6874 w32_frame_parm_handlers
,
6878 x_clear_end_of_line
,
6880 x_after_update_window_line
,
6881 x_update_window_begin
,
6882 x_update_window_end
,
6885 0, /* flush_display_optional */
6886 x_clear_window_mouse_face
,
6887 w32_get_glyph_overhangs
,
6888 x_fix_overlapping_area
,
6889 w32_draw_fringe_bitmap
,
6890 w32_define_fringe_bitmap
,
6891 w32_destroy_fringe_bitmap
,
6892 w32_per_char_metric
,
6894 NULL
, /* w32_compute_glyph_string_overhangs */
6895 x_draw_glyph_string
,
6896 w32_define_frame_cursor
,
6897 w32_clear_frame_area
,
6898 w32_draw_window_cursor
,
6899 w32_draw_vertical_window_border
,
6900 w32_shift_glyphs_for_insert
6903 static void x_delete_terminal (struct terminal
*term
);
6905 static struct terminal
*
6906 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6908 struct terminal
*terminal
;
6910 terminal
= create_terminal ();
6912 terminal
->type
= output_w32
;
6913 terminal
->display_info
.w32
= dpyinfo
;
6914 dpyinfo
->terminal
= terminal
;
6916 /* MSVC does not type K&R functions with no arguments correctly, and
6917 so we must explicitly cast them. */
6918 terminal
->clear_frame_hook
= x_clear_frame
;
6919 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6920 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6921 terminal
->ring_bell_hook
= w32_ring_bell
;
6922 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6923 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6924 terminal
->update_begin_hook
= x_update_begin
;
6925 terminal
->update_end_hook
= x_update_end
;
6926 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6927 terminal
->read_socket_hook
= w32_read_socket
;
6928 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6929 terminal
->mouse_position_hook
= w32_mouse_position
;
6930 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6931 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6932 // terminal->fullscreen_hook = XTfullscreen_hook;
6933 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6934 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6935 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6936 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6938 terminal
->delete_frame_hook
= x_destroy_window
;
6939 terminal
->delete_terminal_hook
= x_delete_terminal
;
6941 terminal
->rif
= &w32_redisplay_interface
;
6942 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6943 terminal
->char_ins_del_ok
= 1;
6944 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6945 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6946 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6950 /* We don't yet support separate terminals on W32, so don't try to share
6951 keyboards between virtual terminals that are on the same physical
6952 terminal like X does. */
6953 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6954 init_kboard (terminal
->kboard
);
6955 terminal
->kboard
->Vwindow_system
= intern ("w32");
6956 terminal
->kboard
->next_kboard
= all_kboards
;
6957 all_kboards
= terminal
->kboard
;
6958 /* Don't let the initial kboard remain current longer than necessary.
6959 That would cause problems if a file loaded on startup tries to
6960 prompt in the mini-buffer. */
6961 if (current_kboard
== initial_kboard
)
6962 current_kboard
= terminal
->kboard
;
6963 terminal
->kboard
->reference_count
++;
6970 x_delete_terminal (struct terminal
*terminal
)
6972 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6975 /* Protect against recursive calls. Fdelete_frame in
6976 delete_terminal calls us back when it deletes our last frame. */
6977 if (!terminal
->name
)
6981 /* Free the fonts in the font table. */
6982 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6983 if (dpyinfo
->font_table
[i
].name
)
6985 DeleteObject (((XFontStruct
*)(dpyinfo
->font_table
[i
].font
))->hfont
);
6988 x_delete_display (dpyinfo
);
6992 struct w32_display_info
*
6993 w32_term_init (display_name
, xrm_option
, resource_name
)
6994 Lisp_Object display_name
;
6996 char *resource_name
;
6998 struct w32_display_info
*dpyinfo
;
6999 struct terminal
*terminal
;
7004 if (!w32_initialized
)
7007 w32_initialized
= 1;
7010 w32_initialize_display_info (display_name
);
7012 dpyinfo
= &one_w32_display_info
;
7013 terminal
= w32_create_terminal (dpyinfo
);
7015 /* Set the name of the terminal. */
7016 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
7017 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
7018 terminal
->name
[SBYTES (display_name
)] = 0;
7020 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
7022 /* Put this display on the chain. */
7023 dpyinfo
->next
= x_display_list
;
7024 x_display_list
= dpyinfo
;
7026 hdc
= GetDC (GetDesktopWindow ());
7028 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
7029 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
7030 dpyinfo
->root_window
= GetDesktopWindow ();
7031 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
7032 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
7033 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
7034 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
7035 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
7036 dpyinfo
->image_cache
= make_image_cache ();
7037 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
7038 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
7039 ReleaseDC (GetDesktopWindow (), hdc
);
7041 /* initialise palette with white and black */
7044 w32_defined_color (0, "white", &color
, 1);
7045 w32_defined_color (0, "black", &color
, 1);
7048 /* Add the default keyboard. */
7049 add_keyboard_wait_descriptor (0);
7051 /* Create Fringe Bitmaps and store them for later use.
7053 On W32, bitmaps are all unsigned short, as Windows requires
7054 bitmap data to be Word aligned. For some reason they are
7055 horizontally reflected compared to how they appear on X, so we
7056 need to bitswap and convert to unsigned shorts before creating
7058 w32_init_fringe (terminal
->rif
);
7061 fcntl (connection
, F_SETOWN
, getpid ());
7062 #endif /* ! defined (F_SETOWN) */
7065 if (interrupt_input
)
7066 init_sigio (connection
);
7067 #endif /* ! defined (SIGIO) */
7074 /* Get rid of display DPYINFO, assuming all frames are already gone. */
7076 x_delete_display (dpyinfo
)
7077 struct w32_display_info
*dpyinfo
;
7079 /* Discard this display from w32_display_name_list and w32_display_list.
7080 We can't use Fdelq because that can quit. */
7081 if (! NILP (w32_display_name_list
)
7082 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
7083 w32_display_name_list
= XCDR (w32_display_name_list
);
7088 tail
= w32_display_name_list
;
7089 while (CONSP (tail
) && CONSP (XCDR (tail
)))
7091 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
7093 XSETCDR (tail
, XCDR (XCDR (tail
)));
7100 /* free palette table */
7102 struct w32_palette_entry
* plist
;
7104 plist
= dpyinfo
->color_list
;
7107 struct w32_palette_entry
* pentry
= plist
;
7108 plist
= plist
->next
;
7111 dpyinfo
->color_list
= NULL
;
7112 if (dpyinfo
->palette
)
7113 DeleteObject(dpyinfo
->palette
);
7115 xfree (dpyinfo
->font_table
);
7116 xfree (dpyinfo
->w32_id_name
);
7118 w32_reset_fringes ();
7121 /* Set up use of W32. */
7123 DWORD WINAPI
w32_msg_worker (void * arg
);
7130 w32_system_caret_hwnd
= NULL
;
7131 w32_system_caret_height
= 0;
7132 w32_system_caret_x
= 0;
7133 w32_system_caret_y
= 0;
7135 /* Initialize w32_use_visible_system_caret based on whether a screen
7136 reader is in use. */
7137 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
7138 &w32_use_visible_system_caret
, 0))
7139 w32_use_visible_system_caret
= 0;
7141 last_tool_bar_item
= -1;
7142 any_help_event_p
= 0;
7144 /* Initialize input mode: interrupt_input off, no flow control, allow
7145 8 bit character input, standard quit char. */
7146 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
7148 /* Create the window thread - it will terminate itself or when the app terminates */
7152 dwMainThreadId
= GetCurrentThreadId ();
7153 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
7154 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
7156 /* Wait for thread to start */
7161 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
7163 hWindowsThread
= CreateThread (NULL
, 0,
7165 0, 0, &dwWindowsThreadId
);
7167 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
7170 /* It is desirable that mainThread should have the same notion of
7171 focus window and active window as windowsThread. Unfortunately, the
7172 following call to AttachThreadInput, which should do precisely what
7173 we need, causes major problems when Emacs is linked as a console
7174 program. Unfortunately, we have good reasons for doing that, so
7175 instead we need to send messages to windowsThread to make some API
7176 calls for us (ones that affect, or depend on, the active/focus
7178 #ifdef ATTACH_THREADS
7179 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
7182 /* Dynamically link to optional system components. */
7184 UINT smoothing_type
;
7185 BOOL smoothing_enabled
;
7187 HANDLE gdi_lib
= LoadLibrary ("gdi32.dll");
7189 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
7191 LOAD_PROC (gdi_lib
, GetFontUnicodeRanges
);
7195 FreeLibrary (gdi_lib
);
7197 /* Ensure scrollbar handle is at least 5 pixels. */
7198 vertical_scroll_bar_min_handle
= 5;
7200 /* For either kind of scroll bar, take account of the arrows; these
7201 effectively form the border of the main scroll bar range. */
7202 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
7203 = GetSystemMetrics (SM_CYVSCROLL
);
7205 /* Constants that are not always defined by the system headers
7206 since they only exist on certain versions of Windows. */
7207 #ifndef SPI_GETFONTSMOOTHING
7208 #define SPI_GETFONTSMOOTHING 0x4A
7210 #ifndef SPI_GETFONTSMOOTHINGTYPE
7211 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
7213 #ifndef FE_FONTSMOOTHINGCLEARTYPE
7214 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
7217 /* Determine if Cleartype is in use. Used to enable a hack in
7218 the char metric calculations which adds extra pixels to
7219 compensate for the "sub-pixels" that are not counted by the
7222 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
7223 && smoothing_enabled
7224 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
7225 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
7232 staticpro (&w32_display_name_list
);
7233 w32_display_name_list
= Qnil
;
7235 staticpro (&last_mouse_scroll_bar
);
7236 last_mouse_scroll_bar
= Qnil
;
7238 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
7240 DEFVAR_INT ("w32-num-mouse-buttons",
7241 &w32_num_mouse_buttons
,
7242 doc
: /* Number of physical mouse buttons. */);
7243 w32_num_mouse_buttons
= 2;
7245 DEFVAR_LISP ("w32-swap-mouse-buttons",
7246 &Vw32_swap_mouse_buttons
,
7247 doc
: /* Swap the mapping of middle and right mouse buttons.
7248 When nil, middle button is mouse-2 and right button is mouse-3. */);
7249 Vw32_swap_mouse_buttons
= Qnil
;
7251 DEFVAR_LISP ("w32-grab-focus-on-raise",
7252 &Vw32_grab_focus_on_raise
,
7253 doc
: /* Raised frame grabs input focus.
7254 When t, `raise-frame' grabs input focus as well. This fits well
7255 with the normal Windows click-to-focus policy, but might not be
7256 desirable when using a point-to-focus policy. */);
7257 Vw32_grab_focus_on_raise
= Qt
;
7259 DEFVAR_LISP ("w32-capslock-is-shiftlock",
7260 &Vw32_capslock_is_shiftlock
,
7261 doc
: /* Apply CapsLock state to non character input keys.
7262 When nil, CapsLock only affects normal character input keys. */);
7263 Vw32_capslock_is_shiftlock
= Qnil
;
7265 DEFVAR_LISP ("w32-recognize-altgr",
7266 &Vw32_recognize_altgr
,
7267 doc
: /* Recognize right-alt and left-ctrl as AltGr.
7268 When nil, the right-alt and left-ctrl key combination is
7269 interpreted normally. */);
7270 Vw32_recognize_altgr
= Qt
;
7272 DEFVAR_BOOL ("w32-enable-unicode-output",
7273 &w32_enable_unicode_output
,
7274 doc
: /* Enable the use of Unicode for text output if non-nil.
7275 Unicode output may prevent some third party applications for displaying
7276 Far-East Languages on Windows 95/98 from working properly.
7277 NT uses Unicode internally anyway, so this flag will probably have no
7278 effect on NT machines. */);
7279 w32_enable_unicode_output
= 1;
7281 DEFVAR_BOOL ("w32-use-visible-system-caret",
7282 &w32_use_visible_system_caret
,
7283 doc
: /* Flag to make the system caret visible.
7284 When this is non-nil, Emacs will indicate the position of point by
7285 using the system caret instead of drawing its own cursor. Some screen
7286 reader software does not track the system cursor properly when it is
7287 invisible, and gets confused by Emacs drawing its own cursor, so this
7288 variable is initialized to t when Emacs detects that screen reader
7289 software is running as it starts up.
7291 When this variable is set, other variables affecting the appearance of
7292 the cursor have no effect. */);
7294 w32_use_visible_system_caret
= 0;
7296 /* We don't yet support this, but defining this here avoids whining
7297 from cus-start.el and other places, like "M-x set-variable". */
7298 DEFVAR_BOOL ("x-use-underline-position-properties",
7299 &x_use_underline_position_properties
,
7300 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
7301 A value of nil means ignore them. If you encounter fonts with bogus
7302 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
7303 to 4.1, set this to nil.
7305 NOTE: Not supported on MS-Windows yet. */);
7306 x_use_underline_position_properties
= 0;
7308 DEFVAR_BOOL ("x-underline-at-descent-line",
7309 &x_underline_at_descent_line
,
7310 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
7311 A value of nil means to draw the underline according to the value of the
7312 variable `x-use-underline-position-properties', which is usually at the
7313 baseline level. The default value is nil. */);
7314 x_underline_at_descent_line
= 0;
7316 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
7317 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
7318 Vx_toolkit_scroll_bars
= Qt
;
7320 staticpro (&last_mouse_motion_frame
);
7321 last_mouse_motion_frame
= Qnil
;
7324 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
7325 (do not change this comment) */